GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1998
🢒
Astro - 4WD
🢒
Body and Accessories
🢒 Frame and Underbody
Body and Accessories
All Description and Operation
Centerline Description
Frame and Underbody Description
Frame Centerline Length Description
Frame Conditions Description
Frame Control Hole Description
Frame Datum Plane Description
Frame Length Description
Frame Reference Point Description
Frame Reference Point Description - Asymmetrical
Frame Reference Point Description - Symmetrical
Frame Straightening Description
Frame Tram Length Description
Welding Description
All Special Tools and Equipment
Special Tools
Diagnostic Procedures
Frame Conditions - Buckle
Frame Conditions - Diamond
Frame Conditions - Improper Tracking
Frame Conditions - Sag
Frame Conditions - Sidesway
Frame Conditions - Twist
General Diagnostic Information
Alignment Checking
Checking Frame Alignment
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Body Mount Replacement
Frame Stop Replacement
Front Crossmember Brace Replacement
Trailer Hitch Replacement
Transmission Support Replacement