Slips, Harsh Upshift Or Garage Shifts, Launch Shudders, Flares, Erratic Shifts And Intermittent Concerns, DTC P1811 Or P0748 Set (Replace Pressure Control Solenoid Valve Assembly) (00-07-30-002B)
Publication date: 2002-07-01Reference number: 00-07-30-002B
Supersedes refnos: 00-07-30-002, 00-07-30-002A
SLIPS, HARSH UPSHIFT OR GARAGE SHIFTS, LAUNCH SHUDDERS, FLARES, ERRATIC SHIFTS AND INTERMITTENT CONCERNS, DTC P1811 OR P0748 SET (REPLACE PRESSURE CONTROL SOLENOID VALVE ASSEMBLY)
TECHNICAL SERVICE BULLETIN
Reference Number(s): 00-07-30-002B, Date of Issue:
July, 2002
Superceded Bulletin(s): 00-07-30-002A
| BUICK: | 1997-1999 Riviera; 1997-2002 Park Avenue; 1998-2002 LeSabre; 1999-2002 Regal; 2000-2002 Century 2002 Rendezvous with Hydra-Matic 4T65-E (RPOs MN3, MN7, M15, M76) |
| CHEVROLET: | 1997-2001 Lumina; 1997-2002 Monte Carlo; 1999-2002 Venture; 2000-2002 Impala with Hydra-Matic 4T65-E (RPOs MN3, MN7, M15, M76) |
| OLDSMOBILE: | 1997-1999 Eighty Eight; 1997-2002 Silhouette; 1998-2002 Intrigue; 2001-2002 Aurora (3.5L) with Hydra-Matic 4T65-E (RPOs MN3, MN7, M15, M76) |
| PONTIAC: | 1997-2002 Bonneville, Grand Prix; 1999-2002 Transport/Montana; 2001-2002 Aztek with Hydra-Matic 4T65-E (RPOs MN3, MN7, M15, M76) |
| SECTION: | 07 - Transmission/Transaxle |
NOTE:
This bulletin is being revised to add additional models and model years. Please discard Corporate Bulletin Number 00-07-30-002A (Section - Automatic Transmission).
DESCRIPTION
Slips, Harsh Upshift or Garage Shifts, Launch Shudders, Flares, Erratic Shifts and Intermittent Concerns, DTC P1811 or P0748 Set (Replace Pressure Control Solenoid Valve Assembly).
Some owners of the above vehicles with a Hydra-Matic 4T65-E transaxle may comment on harsh upshifts or harsh garage shifts, soft shifts, shudders on hard acceleration, or shifts erratic. These conditions may appear intermittently or set a DTC P1811 or P0748. During diagnosis, a low or high line pressure (actual versus desired) may be observed.