What kind of mounting system does Vortec 4200 have?
The Vortec 4200 also utilized an innovative mounting system for its accessories. Each component besides the power steering pump was mounted directly to the block. This includes the alternator, A/C compressor, and idler pulley. The water pump and oil pump were integrated directly into the front of the block.
What kind of fuel did the GM Vortec 4200 use?
Because of the efficient cooling and the decreased risk of detonation, the Vortec 4200 was able to run its high compression ratio without the need for premium fuel. Regular grade gasoline was recommended. As mentioned before, the Vortec 4200 was the first GM truck engine to feature variable valve timing.
How long does a Vortec 4200 ignition plug last?
And speaking of those individual ignition coils, the Vortec 4200 came with six of them (Obviously). This coil-on-plug design helped eliminate wires while providing 25 millijoules to each plug for a hot, fast burn. The factory plugs were rated to last 100,000 miles before replacement.
Where is the oil pump located on a Vortec?
Your customer’s Vortec engine features an oil pump that’s bolted to the front of the engine and driven directly by the crankshaft, via splines. The oil pump can be accessed by removing the front cover (more on this later).
What should the oil pressure be in a Vortec?
But after the engine warmed up, the oil pressure dropped below normal at idle and the engine noise (probably lifters) returned. Raising the engine speed to above 1000 rpm causes the oil pressure to increase to about 45 psi. If the engine speed is increased even more, oil pressure tops out at about 55 psi.
How many miles does a Vortec 1500 have?
A customer recently brought in his 2008 Chevrolet Silverado 1500, which is equipped with the 5.3L Vortec engine. The vehicle has about 200,000 miles on it and has been pretty well-maintained, with regular oil changes.
Why is the O-ring on my Vortec not working?
An O-ring seals the connection between the pump and the pickup tube. Several of these engines have developed problems with the pickup tube O-ring. Some believe the O-ring may be damaged during original engine assembly, while others think the O-ring just wears out over time.