Q: How to service and repair the Lash Adjuster on the right side on Cadillac CTS?
A: To service and repair the Lash Adjuster on the right side, first serving, take off the right camshafts. Then, extract the lash adjusters from the bores using a magnet and arrange them in a rack in a sequential way to ensure that they can be reinstalled in their original sequence in case they wish to be reused before the end of their useful life. For installation, lubricate the lash adjusters using prelube (GM P/N United States 1052367, GM P/N Canada 992869 or equiv.) if they are reinstalling in their original position not being replaced. Finally, reinstall the right camshafts.
Q: How to replace the Lash Adjuster except for RPOs LC9, LH6, LMG, LME, and LY5 on Cadillac Escalade?
A: The replacement process for lash adjusters (209) starts with removing the Cylinder Head and gasket in all vehicles unless their rpos match lc9, lh6, lmg, lme or ly5. Before adjuster removal begin by removing Lash Adjuster guide bolts (211) and Lash Adjuster guides (210) together with adjusters (209) while remembering the original guide positioning since it needs to match the block's locating tab. Organization or make marks on all components which will help the reinstallation process to their original positions if needed. Check and clean the lash adjusters according to their state. During installation apply engine oil to both the adjusters (209) and the engineered block Lash Adjuster bore holes before inserting the adjusters into the guides (210) until they reach the bore completely. Align the flat areas on the adjusters with corresponding flats in the guide bore holes. Align the flat area on the lash adjusters (209) with the corresponding flat area in adjuster guide (210) features of the engine block. Then completely push the adjusters into the guide before securing them to the block using recommended torque settings of 12 nm (106 lb in). After completion install the Cylinder Head together with the gasket.
Q: How to replace the Lash Adjuster on the left side on Cadillac XLR?
A: You need to start Lash Adjuster replacement on the left side by taking off the left rocker arms while maintaining each follower's placement to its original shla position. Clean up the left Cylinder Head bore slots while checking the Lash Adjuster conditions after removing static hydraulic lash adjusters. The Crankshaft must be positioned at top dead center (TDC) for the first piston whereas technicians need to add clean engine oil to the shla while avoiding contact with the shla pivot sphere region. Clean engine oil should be used to lubricate the Cylinder Head shla bores before installing the shla into its place followed by reinstallation of left valve rocker arms.