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And thanks to contaminated 5.3L V8 engine blocks, GM was forced to create Customer Satisfaction Program N242455301. Certain 2024 Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon and Yukon XL vehicles with the 5.3L (RPO L84) were built with contaminated engine blocks. Because of this, GM issued a Stop Delivery order to dealers back on June 13.
Engine Misfires on Cylinder 1, 4, 6, or 7 and/or a Ticking Noise. Engine misfires have been reported in the Silverado 1500. Customers report that the service engine light appears, and that the misfire is accompanied by a ticking noise. There are a number of causes for an engine misfire or engine ticking noise. The culprit could be an AFM lifter ...
Step 4 – Install the new TPS. Install the throttle position in reverse order to the removal process. Place the new TPS on the throttle body and secure it using the T20 Torx bolts. Line up the alternator and bolt it back to the bracket. Loosen the tensioner pulley and slide the drive belt back onto the alternator pulley.
Your Chevy Silverado is able to maintain a 5% to 7.5% increase in fuel economy through the use of this system. The GM AFM system can be broken down into three main components: the lifters, camshaft, and ECU. Component Breakdown Valve Lifters. The lifters controls how a valve opens and closes on the engine. When one fails, the engine becomes ...
Step 2 – Check for leaks. Oil leaks are a common cause of low engine oil pressure. Oil leaks most frequently occur at the valve cover, oil pan or timing cover gaskets, and the front as well as rear crankshaft seals. Chevy Silverado's 2007 to 2013 models are known to develop leaks at the rear cover gasket (GM Service Bulletin #05-06-01-034J ...
Some of the transmission problems include slippage, poor downshift/upshift performance, clunking, lunging, or thumping, and let's not forget related computer problems. This makes new truck owners really upset. Typically, the dealer provides a loaner car while the transmission is being rebuilt or replaced. Figure 3. GM automatic transmission.
Ticking Noise and/or Misfiring. Customers often report seeing a check engine light along with misfires, especially at higher speeds and a rough idle. The problem could be the result of an AFM (active fuel management, V8 to V4 models) lifter that unlocks once the engine is started. The part could also be collapsed or stuck on all the time.
No movement in any gear (total loss of transmission fluid, or pump failure): Refill the pan with fluid and look for a leak. If you find one, fix it. For pump failure, check the fluid level with the engine off, then start the engine and recheck. If the level doesn’t go down when the engine is running, the pump has failed.
Remove the 3 and 10mm bolts in the engine cover mount and remove the mount. Remove the 10mm nut on the wire bundle atop the engine, and flex the wire bundle away as needed. Remove the vacuum pipe by pulling it off the two nozzles. For 1999 to 2002 Silverados, the PCV valve is located in the valve cover end of the pipe.
Step 1 – Check transmission fluid. This is rather basic, but the transmission fluid level must be correct for your transmission to work at its best. Since the fluid provides lubrication, cooling, and pressure in the transmission, it needs to be fresh and it needs to be the correct level. With the engine running, check the transmission fluid ...