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low oil pressure or the seal on the roller tappet is old and it takes the roller tappet a minute to pressurize again.

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2009-12-25 19:46:12
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2020-05-08 07:15:16

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Q: What will cause roller lifters on a 1997 Chevy Z-71 Vortec 350 to tap on cold start?
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What will cause roller lifters on a 1996 Chevy Z-71 Vortec to tap on cold starts?

I would not worry to much about this noise when the motor is cold; engines have clearanaces that come together at operating temperature. If this noise happens when the motor is at operating temperature then you might have a problem.

Can a bad camshaft sensor in a Chevy vortec engine cause a no start?

It sure can.

The lifters were replaced what can cause a 2001 Chevy Malibu to tick very loudly all the time?

Rods and Rocker arms were the problem with my Malibu after changing lifters

Why are your lifters knocking in your 1996 Chevy Cheyenne Vortex 350 5.7L 3500 ton truck?

The most common cause of lifters knocking is low oil pressure.

What else can cause a tapping noise in a 350 Chevy besides lifters?

Exhaust leaks, bent pushrod

What else can cause a 2001 Chevy Malibu to tick all the time even after the lifters have been replaced?

Cheap gas

What is the usual cause of the number one cylinder lifters to be tapping in a Chevy small block 305?

Could be, Out of adjustment Worn camshaft Worn lifters Worn pushrods Worn rockers All of the above.

Will using a diagnostic code reader determine the cause of no start of a 96 chevy 1500 with 5.7l vortec?

It sure could. If you KNOW how to use it and READ it.

Will a blown head gasket affect hydraulic lifters?

it will cause the engine to overheat and also coolant to enter the oil system, which will in turn cause wear of the lifters.

What would cause a 97 Chevy 350 vortec to have a miss fire in cylinder 7 other than a bad plug and a good cap and rotor?

A bad fuel injector poppet could cause that.

Will putting a vortec valve cover on a non vortec 305 cause a leak?

Not if the are the same fitting wise and gaskets are used if necessary. There could be differences as the vortec is designed differently.

92 Chevy pick up starts and runs good but then the lifters start knocking and you lose power what could cause this?

low oil pressure could be one cause cold oil is heavier in viscoity and as it warms it gets thinner, the lifters are not getting the oil inside of them causing them to colaspe try having a new oil pump installed

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