Technical Service Bulletins (TSBs) for the 1991 Trans Sport are official communications between Pontiac & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

• TSB #876002A

  Date Announced:

  JUL 01, 1998

  NHTSA ID:

  #615073

  SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED. Read More »

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

• TSB #130089009

  Date Announced:

  SEP 01, 2013

  NHTSA ID:

  #10246631

  Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

• TSB #436303

  Date Announced:

  JAN 01, 1995

  NHTSA ID:

  #39075

  FUEL TANK THUD/CLUNK. *TW Read More »

POWER TRAIN

• TSB #01880

  Date Announced:

  JAN 01, 2004

  NHTSA ID:

  #10007559

  NO TCC APPLY, MALFUNCTION INDICATOR LAMP (MIL) ON, TCC SURGE, POSSIBLE P0740, P1870, OR 39 AFTER INSTALLATION OF A REMAN (SRTA) 4T60/4T60E. *TT Read More »

STRUCTURE:BODY:DOOR

• TSB #431051

  Date Announced:

  DEC 01, 1994

  NHTSA ID:

  #37936

  SLIDING DOOR RATTLES. *TW Read More »