Cause:
The plastic material used by the OE melts or breaks under normal operation.
Correction:
Install these bimetal thrust washers to prevent thrust washer breakage and ensure proper endplay.
The OE plastic 3-tab washers break or melt under normal operation in listed GM units. Sonnax 3-tab bimetal thrust washer and shim kit replaces the OE plastic washers in both pump and center support locations.
The steel tabs on the Sonnax thrust washer eliminate breakage
The bronze thrust surface will not melt like the OE plastic thrust washers
Shims provide more flexibility when setting endplay and allow for rebuilding units after thepump has been resurfaced. The Sonnax washer kit can be stacked to cover a build height from .075" through .125" in .010" increments
This kit contains enough parts for pump and stator support locations
Note:
The Sonnax thrust washer kit cannot be used to replace late style no-tab thrust washers.
Symptoms:
Cause:
The plastic material used by the OE melts or breaks under normal operation.
Correction:
Install these bimetal thrust washers to prevent thrust washer breakage and ensure proper endplay.
The OE plastic 3-tab washers break or melt under normal operation in listed GM units. Sonnax 3-tab bimetal thrust washer and shim kit replaces the OE plastic washers in both pump and center support locations.
Note:
The Sonnax thrust washer kit cannot be used to replace late style no-tab thrust washers.
Kit Contains:
Specifications:
SONNAX Installation Instructions