Q: How to service and repair the lifter/lash adjuster on Chevrolet Colorado?
A: Begin lifter/Lash Adjuster service or repair by taking out the camshafts while organizing valve rocker arms and valve lash adjusters for later placement in their original positions. Clean the components first before they are inspected. You must lubricate and fill the valve lash adjusters with engine oil before reinstalling them in their previous positions. Oil all parts of the valve Rocker Arm before you put it back in its original spot with Camshaft installation.
Q: How to replace the exhaust and Lash Adjuster in an engine on Chevrolet Malibu?
A: The replacement of exhaust and lash adjusters begins with removing the Camshaft cover and upper Timing Chain Guide. Use the Camshaft sprocket holding tool (J 43655) to remove the exhaust and intake Camshaft sprocket bolts which you should discard. Use a marker to create reference points on the bearing caps before you advance the Camshaft sprockets. Follow these steps under hp steering wheel lock systems: remove each bolt on each cap one turn at a time while monitoring the Camshaft spring tension and afterward remove the bearing caps, exhaust Camshaft, camshaft roller followers, and hydraulic element lash adjusters in order. Installing begins by lubricating valve tips then installing the hydraulic element lash adjusters before the Camshaft roller followers while keeping alignment notches matched to the Camshaft sprocket. First install the exhaust Camshaft and Camshaft bearing caps followed by torqueing the Camshaft bearing cap bolts in 3-turn increments until they reach their first seating point then finish the torque at 10 nm (89 inch lbs). Place the Camshaft sprockets on the camshafts first and loosely tighten the new Camshaft sprocket bolts. Then remove the Camshaft sprocket holding tool (J 43655) before torquing the Camshaft sprocket bolts to 85 nm (63 ft. Lbs.) while turning them an additional 30 degrees. To complete the installation phase, complete guide installation by securing the upper Timing Chain Guide with a 10 nm (89 inch lbs) torque and then replace the Camshaft cover.
Q: How to replace the Lash Adjusters on Chevrolet Tahoe?
A: Start by dismantling the Cylinder Head while also extracting its gasket before handling Lash Adjuster replacement. Begin by removing the Lash Adjuster guide bolts (211) and follow by extracting the Lash Adjuster guides (210) which also remove the adjusters. Keep track of the guide positioning because their notched area needs to match the engine block's locating tab. After removing the lash adjusters (209) from the guide (210) you should organize or mark components for later reinstallation. Inspection of lash adjusters demands cleaning procedures. After application of engine oil, place and push the lash adjusters (209) into the adjuster guides (210) until complete insertion. The flat top areas of both parts must match the flat area of the bore during insertion. Follow fastener precautions when installing the engine block's lash adjusters and guide (210) assembly before torquing the guide bolts to 12 nm (106 lb in). Reinstall the Cylinder Head after you have installed the gasket.