2000 Ford Mustang service bulletins & manufacturer communications
139 manufacturer communications are on file with NHTSA for the 2000 Ford Mustang. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 139
- Ford: certain 1999-2001 model year vehicles up to 6000 lb gvwr registered in new york and certain 2001 vehicles up to 6000 lb gvwr registered in the state of maine, certified for s…CSP-08B01 · Technical service bulletin · Engine and Engine Cooling · issued May 16, 2008
- Some 1997-2008 vehicles equipped with a 4.6l 2v, 5.4l 2v, or 6.8l 2v engine--spark plug thread repair procedure--not covered under new vehicle limited warranty. *nj this includes f…07212 · Technical service bulletin · Engine and Engine Cooling · issued Oct 1, 2007
- Extended coverage program 05n04 - extended coverage for composite intake manifold. This program is being provided as a settlement to a class action lawsuit. The terms of the settle…05N04 · Technical service bulletin · Engine and Engine Cooling · issued Dec 14, 2005
- Wds cop kit diagnostic tip - coil on plug (cop) ignition systems - engine misfire or rough running. *tt041601 · Technical service bulletin · Engine and Engine Cooling · issued Nov 14, 2005
- Safety belt retraction speed. *tt042421 · Technical service bulletin · Seat Belts · issued Jun 7, 2005
- Safety belt web stop button service. *eh05310 · Technical service bulletin · Seat Belts · issued Feb 21, 2005
- General (pcm) power train control module programming procedures. *tt042107 · Technical service bulletin · Power Train · issued Dec 13, 2004
- Rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt04189 · Technical service bulletin · Visibility · issued Dec 13, 2004
- Exhaust leak - cracked or separated right side exhaust pipe - 3.8l and 3.9l engines. *tt041003 · Technical service bulletin · Engine and Engine Cooling · issued Nov 1, 2004
- Manual transmission hard to shift into first/reverse from a stop. *tt04198 · Technical service bulletin · Power Train · issued Oct 4, 2004
- Malfunction indicator lamp (mil) illuminated - system lean diagnostic trouble codes (dtc's) - service tips. Various models including 2004 f-series. *tt04174 · Technical service bulletin · Electrical System · issued Sep 6, 2004
- Engine misfire or running - coil on plug (cop) ignition systems - wds cop kit diagnostic tips. To include various 2005 models. * ar this article 04161 supersedes tsb 03-14-04.031404 · Technical service bulletin · Engine and Engine Cooling · issued Aug 23, 2004
- Rear window defroster grid/integral antenna diagnosis and repair - terminal tab repair. *tt041514 · Technical service bulletin · Visibility · issued Aug 9, 2004
- Inoperative electric rear window defroster (heated backlite) grid lines, integral antenna concerns. *tt031501 · Technical service bulletin · Visibility · issued Jul 12, 2004
- Intermittent loss of power or crank no start - possible pats lamp flashing and diagnostic trouble codes (dtcs) u1147 and/or u1262. *tt17868 · Technical service bulletin · Electrical System · issued Jun 1, 2004
- Exhaust leak. Right side exhaust pipe on 3.8l or 3.9l engine. *tt04103 · Technical service bulletin · Engine and Engine Cooling · issued May 31, 2004
- Gear whine in 1st, 3rd and reverse gears. *tt17577 · Technical service bulletin · Power Train · issued Feb 1, 2004
- Thump noise when a/c clutch engages. *mj17531 · Technical service bulletin · Equipment · issued Feb 1, 2004
- Driveline clunk during gear changes and/or quick acceleration after coast (tip-in) clunk. *tt17510 · Technical service bulletin · Power Train · issued Jan 1, 2004
- Thump noise when air conditioning clutch engages. *tt17286 · Technical service bulletin · Equipment · issued Oct 1, 2003
- Remote keyless entry (rke) - service tips. *tt03181 · Technical service bulletin · Electrical System · issued Sep 15, 2003
- Engine misfire or rough running condition with coil on plug (cop) ignition systems may be more accurately diagnosed using the optional worldwide diagnostic system (wds) coil on plu…03144 · Technical service bulletin · Engine and Engine Cooling · issued Jul 21, 2003
- Loose door trim panel or a noise from the door trim panel area when driving over bumps. *tt16907 · Technical service bulletin · Structure · issued Jun 1, 2003
- Malfunction indicator lamp (mil) illumination with diagnostic trouble codes p0442, p0455, p0456, p0457, p1442 or check fuel cap lamp illuminated with diagnostic trouble code p0457.…0398 · Technical service bulletin · Fuel System, Other · issued May 12, 2003
- Popping type noise while turning into or out of an incline, such as turning into a driveway, at low speeds (below 15 mph (25 km/h). *tt0395 · Technical service bulletin · Suspension · issued May 12, 2003
- Some vehicles equipped with a 3.8l engine and the t5 transmission may exhibit high idle between shifts. *tt16644 · Technical service bulletin · Engine and Engine Cooling · issued Feb 1, 2003
- New service part - number 5 needle bearing and race kit - 4r70w transmission - service tip. *tt03261 · Technical service bulletin · Power Train · issued Jan 5, 2003
- Passenger seat rubs against door panel. *tt030105 · Technical service bulletin · Seats · issued Dec 1, 2002
- Inoperative or inacurrate speedometer, 4x4 lamp illuminatd, and / or diagnostic trouble code p1635 or p1639. *tt0258 · Technical service bulletin · Power Train · issued Nov 25, 2002
- Engine-gear driven synchronizers-incorrect installation-camshaft position synchronizer (cmp) installation tool correct application. *mj02221 · Technical service bulletin · Engine and Engine Cooling · issued Nov 11, 2002
- Service cylinder head gasket for 4.6l applications. *tt16380 · Technical service bulletin · Engine and Engine Cooling · issued Nov 1, 2002
- Climate control a/c service tech tips. *eh02208 · Technical service bulletin · Equipment · issued Oct 14, 2002
- Convertible top lifts unevenly. *tt16316 · Technical service bulletin · Structure · issued Oct 1, 2002
- Some convertibles may exhibit a condition where the convertible top lifts unevenly. *tt15300 · Technical service bulletin · Structure · issued Oct 1, 2002
- Lamp-brake-invadvertent disabling of brake shift interlock. *mj02176 · Technical service bulletin · Exterior Lighting · issued Sep 2, 2002
- Some cobras may exhibit a clunk noise from the driveline during a quick accleration just after coast (tip-in clunk). *tt16069 · Technical service bulletin · Power Train · issued Jul 1, 2002
- Some vehicles with manual transmission may exhibit a hard to shift into gear condition paritcularly from a stop into first or reverse gear. *tt16067 · Technical service bulletin · Power Train · issued Jul 1, 2002
- Some vehicles may exhibit a wind noise from either side of the a-pillar area. *tt15969 · Technical service bulletin · Structure · issued Jun 1, 2002
- Subject regarding inaccurate speedometer. *tt15922 · Technical service bulletin · Power Train · issued May 1, 2002
- Information regarding discharged battery charging service tips and guidelines. *tt0245 · Technical service bulletin · Electrical System · issued Mar 4, 2002
- Subject regarding speed control lamp. *tt15702 · Technical service bulletin · Vehicle Speed Control · issued Mar 1, 2002
- Some vehicles may exhibit an intake manifold crossover (first runner) coolant seepage condition. *tt0222 · Technical service bulletin · Engine and Engine Cooling · issued Feb 4, 2002
- Some engine assemblies with aluminum cylinder heads repaired in-vehile have been found to leak coolant and/or oil from the cylinder head gasket area. *tt0214 · Technical service bulletin · Engine and Engine Cooling · issued Jan 21, 2002
- Some convertibles may exhibit a condition where the convertible top lifts unevenly. *tt15585 · Technical service bulletin · Structure · issued Jan 1, 2002
- Engine oil system priming procedures, service tips for reports of premature engine failure. *tt01246 · Technical service bulletin · Engine and Engine Cooling · issued Dec 10, 2001
- Information on driveline clunk for cobra models. *tt15462 · Technical service bulletin · Power Train · issued Dec 1, 2001
- Some vehicles equipped with the t45 manual transmission may exhibit a condition of being stuck in reverse, difficult to shift into reverse or may pop out of reverse. *tt01235 · Technical service bulletin · Power Train · issued Nov 26, 2001
- Some vehicles may run rough at cruise or momentarily after stopping, a check engine light,and p030x codes. *tt15373 · Technical service bulletin · Unknown OR Other · issued Nov 1, 2001
- Some ignition switch lock cylinder assemblies may exhibit rougness and / or excess effort in turning, key does not fully return from start, a malfunction indicator lamp may illumin…012113 · Technical service bulletin · Electrical System · issued Oct 29, 2001
- Some vehicles may exhibit vacuum or air leaks in the intake manifold and / or engine system causing diagnostic trouble codes p0171 and or p0174. *tt01205 · Technical service bulletin · Engine and Engine Cooling · issued Oct 15, 2001
- Brake shift interlock.*jb01181 · Technical service bulletin · Power Train · issued Sep 17, 2001
- Body - hood scoop loose or detached from hood. *nlm01174 · Technical service bulletin · Structure · issued Sep 3, 2001
- Some vehicles may exhibit the door glass coming off of the window track. *tt15205 · Technical service bulletin · Visibility · issued Sep 1, 2001
- Information regarding transmission fluid usage charts. *slc01157 · Technical service bulletin · Unknown OR Other · issued Aug 6, 2001
- Some vehicles may exhibit heater core leaks. *slc01156 · Technical service bulletin · Visibility · issued Aug 6, 2001
- Some vehicles may exhibit a stain on the inside of the headlamp lens.15151 · Technical service bulletin · Exterior Lighting · issued Aug 1, 2001
- Some vehicles exhibit the door glass popping off track. *yh15178 · Technical service bulletin · Visibility · issued Aug 1, 2001
- Some vehicles may exhibit a fead belt jump-off toss. *yh15158 · Technical service bulletin · Engine and Engine Cooling · issued Aug 1, 2001
- Vehicles may exhibit audio speaker buzz, squeak, rattling or an inoperative condition. *jada15111 · Technical service bulletin · Equipment · issued Aug 1, 2001
- Some vehicles equipped with a 4r70w automatic transmission may exhibit a clunk noise during the 2-1 downshift event. *tt01137 · Technical service bulletin · Power Train · issued Jul 9, 2001
- Some vehicles equipped with a manual transmission may exhibit a powertrain noise described as a brief roar, hoot or groan betwen 2500 - 3500 rpm when the clutch pedal is half way d…15067 · Technical service bulletin · Power Train · issued Jul 1, 2001
- A whining noise heard from the rear during coastdown from 97 to 56 km/h (60 to 35 mph). This noise will disappear when the vehicle slows down below 56 km/h (35 mph). This may be ca…01108 · Technical service bulletin · Power Train · issued May 28, 2001
- Concerns with vehicles exhibiting the oil pressure gauge registering low or no oil pressure usually on initial start-up after several hours of cold soak. *tt14907 · Technical service bulletin · Unknown OR Other · issued May 1, 2001
- This bulletin states that on some vehicles (including 2002 blackwood) a battery disconnect or parameter reset is required during powertrain control module (pcm) or instrument clust…14918 · Technical service bulletin · Power Train · issued May 1, 2001
- Information pertaining to heater case replacement service tip. *tt14892 · Technical service bulletin · Engine and Engine Cooling · issued May 1, 2001
- Vehicles equipped with passive anti-theft system (pats) may not start or crank. *tt0162 · Technical service bulletin · Electrical System · issued Apr 2, 2001
- Subject regarding certain vehicles with 4.6l romeo engines exhibiting an oil leak from the cylinder head gasket area. *tt14864 · Technical service bulletin · Engine and Engine Cooling · issued Apr 1, 2001
- Some vehicles may exhibit inoperative door glass due to the window regulator rear track roller breaking off of the window stud. *tt14826 · Technical service bulletin · Visibility · issued Apr 1, 2001
- Some vehicles equipped with the 4r70w automatic transmission may exhibit a ticking or clicking type noise in first gear. *tt0158 · Technical service bulletin · Power Train · issued Mar 19, 2001
- Subject regarding engine oil recommendations for use in 2001 vehicles - sae 5w-20 motor oil. *tt0147 · Technical service bulletin · Engine and Engine Cooling · issued Mar 5, 2001
- Information on caster adjustment when performing a front end alignment. *tt14149 · Technical service bulletin · Suspension · issued Mar 1, 2001
- Some vehicles equipped with a 7.5 inch axle may exhibit a decel axle whine at approximately 55-30 mph. Engineering is investigating. *tt14082 · Technical service bulletin · Power Train · issued Mar 1, 2001
- Some vehicles equipped with 3.8l engines may exhibit engine spark knock on heavy acceleration with 87 octane fuel. Hot weather and lower octaine fuel can contribute to the cause of…13987 · Technical service bulletin · Engine and Engine Cooling · issued Mar 1, 2001
- Inoperative or inaccurate speedometer as well as 4x4 light inoperative and / or diagnostic trouble code p1635 and / or p1639 after a powertrain control module (pcm) has been replac…13737 · Technical service bulletin · Power Train · issued Mar 1, 2001
- Some vehicles may exhibit a hard start, diagnostic trouble code p1233 and / or p1414, right front exterior lighting, turn lamp erratic and anti-lock brake warning lamp on. *tt14740 · Technical service bulletin · Electrical System · issued Mar 1, 2001
- Information on vehicles exhibiting an inoperative auxiliary power point. *tt14716 · Technical service bulletin · Visibility · issued Mar 1, 2001
- Seat belt warning system - belt reminder function, operation and service tips. *tt0125 · Technical service bulletin · Seat Belts · issued Feb 5, 2001
- Some vehicles may exhibit a hesitation and in some cases engine backfiring through the induction system on cold starts (27 degrees c / 80 degrees f) with no diagnostic trouble code…0119 · Technical service bulletin · Engine and Engine Cooling · issued Jan 22, 2001
- Some vehicles may exhibit a speaker / buzz rattle when operating the audio system. *jb14581 · Technical service bulletin · Equipment · issued Jan 1, 2001
- Some 3.8l engines may have oil pumps built with a new sealing process called liquid injection sealing (lis). *tt00266 · Technical service bulletin · Engine and Engine Cooling · issued Dec 25, 2000
- Subject regarding oil pump liquid injection seal (lis) gasket service procedures. *tt002606 · Technical service bulletin · Engine and Engine Cooling · issued Dec 1, 2000
- Some vehicles equipped with a 5 speed manual transmission may exhibit a hesitation / stumble when cold under moderate / heavy load with no malfunction indicator lamp light or other…14540 · Technical service bulletin · Power Train · issued Dec 1, 2000
- Some vehicles equipped with a 5-speed manual transmission may exhibit a hesitation / stumble when cold under moderate / heavy load with no malfunction indicator lamp light or other…14540 · Technical service bulletin · Power Train · issued Dec 1, 2000
- Some police interceptors may exhibit poor acceleration at wide open throttle after the 3-4 shift from 110 mph up to the vehicle speed limiter (130 mph). *tt14538 · Technical service bulletin · Engine and Engine Cooling · issued Dec 1, 2000
- Information pertaining to 4.6l 4v pulley instructions. *tt14520 · Technical service bulletin · Engine and Engine Cooling · issued Dec 1, 2000
- Subject regarding parking brake control assembly modification. *tt00S37S1 · Technical service bulletin · Parking Brake · issued Dec 1, 2000
- Some vehicles may exhibit a vibration that may be heard of felt at the clutch pedal between idle and 2300 rpm, and goes away when depressing the clutch at least 25mm. *tt00241 · Technical service bulletin · Power Train · issued Nov 27, 2000
- Subject regarding contamination from prior transmission concerns or excess wear may be trapped in the transmission fluid cooling system. *tt002310 · Technical service bulletin · Power Train · issued Nov 13, 2000
- Some vehicles may experience a whining noise heard from the rear during coastdown from 97 to 56 km/h (60 to 35 mph). This noise will disappear when the vehicle slows down below 56 …00231 · Technical service bulletin · Power Train · issued Nov 13, 2000
- Information regarding power steering pump bolt-correct placement of bolts and washer-windsor built engines. *jb00222 · Technical service bulletin · Steering · issued Oct 30, 2000
- Some vehicles may exhibit a hood that is hard to close. *jb00212 · Technical service bulletin · Structure · issued Oct 16, 2000
- Concerns with the intake manifold leaking or weeping coolant from passenger side gasket at right rear corner of head-to-manifold joint. *jb00183 · Technical service bulletin · Fuel System, Gasoline · issued Sep 4, 2000
- Inoperative or inaccurate speedometer, 4x4 lamp illuminated and / or diagnostic trouble codes (dtcs) p1635 or p1639 present after a powertrain control module (pcm) or instrument cl…00142 · Technical service bulletin · Power Train · issued Jul 10, 2000
- Some vehicles with manual transmission may experience transmission oil seepage, oil on the outside of the case. **mr14071 · Technical service bulletin · Power Train · issued Apr 1, 2000
- Some vehicles may exhibit a 10-15 second delay in instrument cluster operation with koeo or koer. **mr14084 · Technical service bulletin · Electrical System · issued Apr 1, 2000
- Some vehicles may exhibit a 10-15 second delay in instrument cluster operation with koeo or koer. **mr8580 · Technical service bulletin · Electrical System · issued Apr 1, 2000
- Some vehicles may exhibit transmission oil seepage, oil on the outside of the case. **mr8559 · Technical service bulletin · Power Train · issued Apr 1, 2000
- Some vehicles may exhibit higher than normal closing efforts of the hood panel. *tt13929 · Technical service bulletin · Structure · issued Mar 1, 2000
- Some vehicles may exhibit predelivery concerns with any of the seats in the vehicle. *tt8380 · Technical service bulletin · Seats · issued Mar 1, 2000
- Some vehicles equipped with 3.8l engines may exhibit engine spark knock on heavy acceleration with 87 octane fuel. *tt8373 · Technical service bulletin · Engine and Engine Cooling · issued Mar 1, 2000
- Some vehicles may exhibit higher than normal closing efforts of the hood panel. Engineering is investigating. *tt8247 · Technical service bulletin · Structure · issued Mar 1, 2000
- On some vehicles the doors require more than normal effort to close. Engineering is investigating. *tt13852 · Technical service bulletin · Structure · issued Feb 1, 2000
- Some coupes or convertibles may exhibit a water leak or windnoise. Engineering is investigating. *tt13848 · Technical service bulletin · Structure · issued Feb 1, 2000
- Some vehicles may have doors that required than more than normal effort to close. Engineering is investigating. *tt8096 · Technical service bulletin · Structure · issued Feb 1, 2000
- Brief information stating that engineering is investigating coupe or convertible vehicles exhibiting a water leak or windnoise. *tt8095 · Technical service bulletin · Structure · issued Feb 1, 2000
- Some vehicles equpped with the 3.8l engine built prior to november 11, 1999 may exhibit a check engine light on with diagnostic trouble codes p0135, p0136, p0141, p0142, p0150, p01…8044 · Technical service bulletin · Unknown OR Other · issued Feb 1, 2000
- Information regarding the new transmission cooler flusher- service tip. *mjs0015 · Technical service bulletin · Power Train · issued Jan 10, 2000
- Some vehicles equipped with 3.8l engine and manual transmission may exhibit transmission oil seepage, oil on the outside of the case. *tt14071 · Technical service bulletin · Power Train · issued Jan 1, 2000
- Subject regarding installation of crankshaft pulley torque specification. *tt14520 · Technical service bulletin · Engine and Engine Cooling · issued Jan 1, 2000
- Some vehicles equipped with a 3.8l engine may exhibit spark knock on heavy accel with 87 octane fuel. Hot weather and lower octane fuel may exaggerate the condition. *tt14439 · Technical service bulletin · Engine and Engine Cooling · issued Jan 1, 2000
- Some vehicles equipped with 3.8l engine built prior to november 11, 1999 may exhibit a check engine light on with dtc's p0135, p0136, p0141, p0142, p0150, p0155, p0156 and p0161. *…13816 · Technical service bulletin · Unknown OR Other · issued Jan 1, 2000
- Some vehicles equipped with 3.8l engine may exhibit a dead battery/high amperage drain concern. *mjs13762 · Technical service bulletin · Electrical System · issued Jan 1, 2000
- All vehicles may exhibit an inoperative or inaccurate speedometer, 4x4 light inoperative and/or dtc p1635 after a pcm has been replaced. *mjs13737 · Technical service bulletin · Unknown OR Other · issued Jan 1, 2000
- The vehicle exhibit a dead battery/high amperage drain concern. Check for the a/c clutch remaining engaged at all times, even with the key off. This may be caused by an incorrect c…7924 · Technical service bulletin · Electrical System · issued Jan 1, 2000
- On some vehicles, the front windshield wipers may operate while the multifunction switch is in the off position. *tt99243 · Technical service bulletin · Exterior Lighting · issued Nov 29, 1999
- Information on replacing and / or repairing malfunctioning (door, ignition and decklid) locks. *tt99242 · Technical service bulletin · Structure · issued Nov 15, 1999
- Experiencing a vibration felt through the seat or the steering wheel on some vehicles travelling 105 - 125 km/h in 4th or 5th gear without brakes applied. *tt99239 · Technical service bulletin · Power Train · issued Nov 15, 1999
- Information on diagnosing a vehicle with malfunction indicator lamp illuminated and diagnostic trouble codes p0442 and p0455 stored in continuous memory. *tt99234 · Technical service bulletin · Unknown OR Other · issued Nov 15, 1999
- Experiencing a popping or oil canning noise coming from the drivers footwell area. *tt99226 · Technical service bulletin · Structure · issued Nov 1, 1999
- Concerns with the convertible top boot may fit improperly or be difficult to install on some vehicles due to the top not folding down all the way into the well. *tt99225 · Technical service bulletin · Structure · issued Nov 1, 1999
- Some vehicles have been reported to have a rip / tear in the seat cover material. *tt13520 · Technical service bulletin · Seats · issued Nov 1, 1999
- Subject regarding front wipers operating while switch is in off position. *tt99224 · Technical service bulletin · Visibility · issued Oct 18, 1999
- Subject on a wire harness terminal repair kit available for repairing electrical wiring harnesses. *tt99222 · Technical service bulletin · Electrical System · issued Oct 18, 1999
- Some vehicles may exhibit brief intermittent interruption of instrument cluster function(s) and / or a crank / no start condition. *tt13401 · Technical service bulletin · Electrical System · issued Oct 1, 1999
- Some vehicles may exhibit poor or no a/c performance due to a loss of refrigerant. *tt13356 · Technical service bulletin · Equipment · issued Oct 1, 1999
- Information regarding a/c peanut o-ring color. *tt13355 · Technical service bulletin · Equipment · issued Oct 1, 1999
- Customers may experience a poor or no air conditioner performance due to a loss of refrigerant. *tt7254 · Technical service bulletin · Equipment · issued Oct 1, 1999
- Information on using peanut style a/c fittings. *tt7249 · Technical service bulletin · Equipment · issued Oct 1, 1999
- This bulletin mentions that certain vehicles are not equipped with a passenger door lock cylinder. *tt13390 · Technical service bulletin · Structure · issued Oct 1, 1999
- Exhibiting brief intermittent interruption of instrument cluster dash lights function(s) and / or a crank / no start condition. *tt7313 · Technical service bulletin · Electrical System · issued Oct 1, 1999
- Information on identifying non-approved / alternate refrigerants which could cause safety, and performance concerns if installed in ford a/c systems. *tt99196 · Technical service bulletin · Equipment · issued Sep 20, 1999
- Information for servicing and diagnosing brake vibration, brake inspection, and brake friction material replacement. *tt99194 · Technical service bulletin · Service Brakes, Hydraulic · issued Sep 20, 1999
- (continued from 13251 and 13252) uncommanded front wiper function. *mjs13253 · Technical service bulletin · Visibility · issued Sep 1, 1999
- Information regarding 5-speed- exchange transmission unit. *mjs13200 · Technical service bulletin · Power Train · issued Sep 1, 1999
- Information regarding front cover & water pump bolts-torque valve revision/3.8-4.2l. *mjs13186 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 1999
- Information regarding camshaft position (cmp) sensor alignment tool chart (continued). *mjs13181 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 1999
- Some service manuals may list the incorrect camshaft position sensor alignment tool for vehicles with various engine sizes. *tt6997 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 1999
- Information regarding a change in the torque values of the engine front cover water pump bolts. *tt6996 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 1999
- Service procedure for green service tagged 4r70w transmissions. *tt991412 · Technical service bulletin · Power Train · issued Jul 12, 1999