Jeep Cherokee 1989 — technical service bulletin
Bulletin RCL/556 · NHTSA communication 39263 · issued Feb 1, 1995
Technical service bulletin
communication type
Vehicle Speed Control
component
1989
model years
1
vehicle entries
Official summary
Failure of the oxygen sensor, pcv hose (yj only), transfer case vacuum hose and /or fuel tank vent valve boot may cause the vehicle to be in violation of california standards. In addition, the exhaust manifold may produce an exhaust leak noise. To correct this condition, dealers are to replace the the faulty components with the new emission service package. *tw
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.