Initial Inspection and Diagnostic Overview

PRELIMINARY CHECKS
Before attempting to repair the clutch, transmission, or related components for any reason other than an obvious failure, identify the problem and probable cause. A large percentage of clutch and manual transmission problems are revealed by shifting difficulties such as high shift effort, gear clash, or grinding. When any of these problems occur, a careful analysis of these difficulties should be made. Refer to System Diagnosis and/or Hydraulic Diagnosis to assist in proper diagnosis of clutch problems.

Before removing a suspected failed hydraulic clutch system, check the reservoir fluid level. The actuator cylinder must be in place when checking the fluid level. If low, fill the reservoir to the specified level with DOT 3 brake fluid GM P/N 1052535 or equivalent. Do not overfill the system.

CAUTION: Carefully clean the top and sides of the reservoir before opening to prevent contamination of the system with dirt, water, or other foreign material. Remove the reservoir diaphragm before adding fluid. Carefully replace the diaphragm and cover after filling.


If the reservoir requires any fluid, check the hydraulic system components for leakage. A slight wetting of the surfaces is acceptable. Replace component when excessive leakage is evident.