2001 Chevrolet Silverado 2500 defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2001 Chevrolet Silverado 2500. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• CRANK POSITION SENSOR FAILURE - STALL
  Engineering Analysis EA06016 · opened Sep 14, 2006 · closed Nov 9, 2007 · led to recall 07V521000

  In a letter dated november 7, 2007, general motors (gm) reported to the office of defects investigation (odi) that it will conduct a safety recall (07v-521) to replace the crank position sensor (ckp) in approximately 12,000 model year (my) 2001 chevrolet silverado and gmc sierra vehicles equipped with 8.1 liter engines…

• HYDRAULIC PUMP FAILRES
  Engineering Analysis EA04012 · opened Apr 30, 2004 · closed Feb 28, 2005 · led to recall 05V005000

  Gm is conducting a recall on all subject vehicles build between may 1999 and october 14, 1999.significant changes were incorporated into production in early october 1999, and vehicles built after that date have lower warranty failure rates.the complaint and warranty data appear to support the effectiveness of these cha…

• HYDRAULIC PUMP SHAFT FAILURES
  Preliminary Evaluation PE04004 · opened Jan 8, 2004 · closed Apr 30, 2004

  The preliminary evaulation is being upgraded.during the ea odi will limitits investigation to only those vehicles equipped with a hydro-boost system, which provides power assist to the braking and steering sytems.vaccuum brake booster vehicles are excluded.odi hasexpanded the scope of the ea to include model years2003 …