For 1990-2009 cars

# SMU - SECTION 3A - WHEEL ALIGNMENT - REVISED

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 3A - WHEEL ALIGNMENT - REVISED SPECIFICATIONS

#### MODELS: 1997 CHEVROLET VENTURE 1997 OLDSMOBILE SILHOUETTE 1997 PONTIAC TRANS SPORT

THIS BULLETIN IS BEING ISSUED TO REVISE WHEEL ALIGNMENT SPECIFICATIONS ON PAGE 3A-5 OF THE SERVICE MANUAL.

WHEEL ALIGNMENT SPECIFICATIONS

REAR DEGREES FRONT (NOT ADJUSTABLE) ======= ===== ================

CAMBER -0.69 +/- 0.50 -1.0 +/- 0.30

CROSS-CAMBER (L-R) 0.00 +/- 0.75 0.0 +/- 0.60

CASTER 2.90 +/- 0.50 ----

CROSS-CASTER (L-R) 0.00 +/- 0.75 ----

TOTAL TOE (L+R) 0.00 +/- 0.20 0.0 +/- 0.30

THRUST ANGLE ---- 0.0 +/- 0.15

VEHICLE MUST BE BOUNCED THREE TIMES BEFORE CHECKING ALIGNMENT TO ELIMINATE FALSE GEOMETRY READINGS. TOE ADJUSTMENT TO BE SET SEPARATELY PER WHEEL WITH STEERING WHEEL HELD IN "STRAIGHT AHEAD" POSITION. TOE-IN IS EXPRESSED AS + DEGREES, TOE-OUT IS EXPRESSED AS - DEGREES.

FIGURES: 00 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1997 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.