2001 GMC Sierra 2500 defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2001 GMC Sierra 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 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 …