Lubrication & Testing

For lubrication and testing, see appropriate POWER STEERING GENERAL SERVICING article in the STEERING section.

Fig 1: Exploded View of Saginaw Rotary Valve Power Steering Gear

Courtesy of GENERAL MOTORS CORP.

NOTE: Replace idler arm assembly if an up and down force (forward and rearward on "G" Series) of 25 lbs. (11 kg), applied at relay rod end of idler arm, produces a lash of more than 1/8" (3 mm) in straight-ahead position.