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OEM GMC Envoy Rocker Arm
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2 Rocker Arms found
GMC Envoy Rocker Arms Part Number: 10214664
$14.44 MSRP: $23.79You Save: $9.35 (40%)Ships in 1-2 Business Days
GMC Envoy Rocker Arms Part Number: 24100294
$5.35 MSRP: $8.39You Save: $3.04 (37%)Ships in 1-3 Business Days
GMC Envoy Rocker Arm
Want to cut long-term maintenance and repair costs? Choose OEM Rocker Arm. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Envoy parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Envoy Rocker Arm includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.
The Rocker Arm in GMC Envoy vehicles plays an important role of the valvetrain system, where the rocker arm Transmit motion from the pushrod to the intake as well as the exhaust valves. These are usually made from stamped steel or aluminum and are designed to translate the up-and-down movement of the push rods to the requisite downward force to lifts the valves. High speed engines are normally made from aluminum due to its light weight whereas cast iron or forged carbon steel is used in diesel engines. Derivative products of rocker arms include roller rockers that use needle bearings at contact points; they undergo less friction or wear than other models. The rocker ratio that currently stand at 1.5:1 to 1.8:1 enables twice the camshaft lift to occur hence enhancing performance. Earlier, ratios such as 1:1 were relatively prevalent up to the 1950s. Newly designed fulcrum bearings are also used in high RPM engines to withstand stress and thus have longer life thereby increasing on the functionality of the rocker arm.
GMC Envoy Rocker Arm Parts and Q&A
- Q: How to service and repair the rocker arm assembly on GMC Envoy?A:The first step for repairing or servicing Rocker Arm assembly requires removing both the Camshaft cover and the exhaust and intake sprocket bolts. Insert the Camshaft sprocket holding tool j 44222 onto the Cylinder Head where horizontal bolts should be tightened to keep timing chain components stable. After removing the sprockets from the camshafts with their attached timing chains you should place the Camshaft caps in a rack for correct replacement later. The next step should be removal of Camshaft cap bolts and Camshaft caps along with the camshafts. Prepare value rocker arms together with valve lash adjusters for their proper reinstallation order. Before proceeding remove all valve rocker arms along with valve lash adjusters. Install the valve lash adjusters by first applying lubricating oil and then placing them in their original positions. Apply engine oil to the valve Rocker Arm roller before you put the valve rocker arms into their regular positions. The Camshaft journals require application of engine oil before reinstalling the camshafts into their original positions. Tighten the Camshaft cap bolts until they reach 12 nm (106 inch lbs.). Use caution to reinstall Camshaft sprockets onto the camshafts while removing the Camshaft sprocket holding tool (J 44222). Start by installing the intake Camshaft sprocket washer together with bolt and exhaust Camshaft actuator bolt. Tighten the intake Camshaft sprocket bolt to 20 nm (15 ft. Lbs.) for the initial application before finishing it with a 100 degree torque using the torque angle meter (J 36660-A). The torque wrench must first tighten the exhaust Camshaft actuator bolt to 25 nm (18 ft. Lbs.) on the initial rotation while subsequent tightening adds 135° of angle by torque angle meter (J 36660-A). Finally, install the Camshaft cover.
- Q: How to replace the valve rocker arm and valve lash adjuster on GMC Envoy?A:The first step when replacing a valve Rocker Arm and valve Lash Adjuster is to remove the camshaft cover. To perform the replacement drop the Crankshaft until the associated cylinder valve reaches its full opening position while maintaining complete cam lobe spring depression. Use either one or two supplied fasteners through the en-47945 valve spring compressor into the coil fastener hole to secure the device when setting up compression on a Cylinder Head engine. Not every location requires two fasteners except for specific placements. The risk of damaging valves exists when operating the engine while this tool remains installed. A clockwise engine rotation can position the cam on its base circle so the tool compresses the spring enough for removing the Lash Adjuster and rocker. After removing the valve Rocker Arm with the valve Lash Adjuster you should clean both components for inspection. Reinstall the valve Rocker Arm after applying oil to it while also filling the valve Lash Adjuster with oil. The engine should be counterclockwise rotated at a slow pace until the spring experiences a full depression from the cam lobe before removing the en-47945 valve spring compressor (EN-47945) from the Cylinder Head. Finally, install the camshaft cover.
