Third Accumulator Retainer and Ball Replacement

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Extracting Third Accumulator Retainer & Ball Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the third accumulator retainer and ball assembly, using a 6.3 mm (0.25 in) #4 screw extractor.

Fig 2: Scribing Mark On Rod For Gaging Proper Depth Of Third Accumulator Retainer & Ball Assembly

Courtesy of GENERAL MOTORS CORP.

Scribe a mark at 42 mm (1.653 in) on a 9.5 mm (0.375 in) diameter metal rod. The scribe mark is used to gage the proper depth of the third accumulator retainer and ball assembly.

Fig 3: Installing Third Accumulator Retainer & Ball Assembly

Courtesy of GENERAL MOTORS CORP.

Perform the following functions:
1. Line up the oil feed slots in the third accumulator retainer and ball assembly (40) with the servo bore.
2. Using the 9.5 mm (0.375 in) diameter metal rod, install the third accumulator retainer and ball assembly.

Fig 4: Checking Third Accumulator Retainer & Ball Assembly Alignment

Courtesy of GENERAL MOTORS CORP.

Ensure that the third accumulator retainer and ball assembly and the scribe mark on the rod are flush with the case surface.

Fig 5: Aligning Third Accumulator Retainer & Ball Assembly With Retainer Slot

Courtesy of GENERAL MOTORS CORP.

Check the third accumulator retainer and ball assembly (40) for alignment. The slot in the retainer must be completely open in the servo bore.