Jun 22, 2015 · Chevrolet offered the 5.7 liter vortec engine in some of its 1999 C1500 pickups. During 1999 the 5.7 was phased out and GM introduced the 5.3 liter. The reasoning for this transition was to improve on the 1500's fuel economy and reduce its emissions output.

Jul 9, 2015 · The 5.3L Vortec replaced its predecessor (the 5.7L) in the year 2000 after mounting pressure to improve upon a 40-year-old engine design and compete with more advanced truck engines. The 5.3L Vortec engine has not been offered since 2003, but it remains a favorite among enthusiasts and still has a legion of devoted fans.

Jul 23, 2015 · Figure 1. Vortec 4.8 and 5.3 liter cylinder heads and oil cap. Figure 2. Castech heads cracking and coolant leak. Figure 3. Castech cylinder head coolant leak. Step 2 – Valve lifters and camshaft noise and damage. What causes this problem? Valve lifter noise is a light, rapid metallic clicking: imagine 16 metal butterflies crashing together ...

Jun 23, 2015 · The Vortec 4.8, 5.3, and 6.0 liter engines have a main accessory drive belt for the water pump, power steering, and alternator. The air conditioning compressor is driven by a separate belt that is mounted low on the engine and behind the accessory belt.

Jun 11, 2015 · This article applies to the Chevrolet Silverado GMT800 (1999-2006). As the air/fuel mixture ignites in an engine cylinder, the high pressure combustion causes a very small amount of gases to slip through the piston rings and into the crankcase, also known as 'blow-by.'

Jul 6, 2015 · The Vortec 4.8, 5.3, and 6.0 liter engines have a main accessory drive belt for the water pump, power steering, and alternator. The main belt has a GM auto-tensioner (which maintains spring pressure to automatically adjust for optimum tension as …

Jul 1, 2015 · This article applies to the Chevrolet Silverado GMT800, and GMT900 (1999-2013). The crankshaft position sensor keeps track of the position and rotations of the crankshaft.

Dec 3, 2015 · The Vortec 4.8, 5.3 and 6.0 liter engines should all hold about 6 quarts total. Step 9 – Reset the oil life monitor. Using the steering wheel controls: Turn the key to IG2 with the engine off. Use Fuel button (lower left) to scroll to the "Engine Oil Life" display.

Jun 11, 2015 · This article applies to the Chevrolet Silverado GMT800 (1996-2006). GM Dexcool coolant carries combustion heat away from the cylinders.

Jun 22, 2015 · This article applies to the Chevrolet Silverado GMT800 (1999-2006). The fuel pressure regulator in your Silverdo's engine regulates the amount of fuel entering the fuel injectors.