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You can tell a bad valve by doing a compression test.
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How do you tell the difference between valve lifter noise and bearing noise in a Chevy big block?
Bearing noise is usually deeper and comes from farther down in the engine. Lifter noise is more of a ticking and is up in the engine heads.
How can you tell the difference between a hydraulic lifter and a mechanical lifter on a Chevy 350 engine?
Take a pushrod and push down on the plunger in the lifter. A hydraulic lifter is spring loaded.
What will cause a knocking noise from cylinder 8 on a 96 Chevy ck3500 7.4l 454 v8 gasoline in cold start and normal temp they tell you is a broken valve spring or lifter?
a broken valve spring could be the cause, or a lifter. Start by checking the compression for the number 8 cylinder, then remove the valve cover to inspect the rockers and lifters.
How do you tell which lifter is tapping on 1991 3.0 ford ranger?
Take a long screw driver and place the handle in your ear. Touch the valve cover with the other end, and you can usually tell which lifter is clicking by this method.
How do you change a valve lifter?
There's a ticking noise under my 2002 tahoe. If it is a lifter. Can you tell me what a lifter is? And is that the reason why my service engine light won't go off. Someone told me that it had to do with some box that holds wires under the truck. Is that true?
Does a 1997 venture have a heater valve?
Could you please tell me if a 1997 Chevy Venture has a heater control valve and if possible the location of the valve.
How do you tell if the egr valve on the 2001 ford escape is bad?
Diagnostics
How can you tell if you have 350 Chevy head?
write down the casting number under the valve cover and compare it to the list of chevy head castings at mortec.com
What is the lifter order in a 1995 Pontiac Grand Prix SE with a 3.1 engine?
By lifter order do you mean the order the push rods go in? If so, I don't remember the exact order....it's been a while. I can tell you that the intake valve uses the short push rod and the exhaust uses the long one.
How do you know lifter type in a Chevy 350 for different years?
they sould have different lobe sizes and in like 76 they changed the cranck bearing from a one piece to a two piece and that will tell you about what year it is
Had a valve job done to a 99 Chevy Malibu Now there is no compression and a misfire on cylinder 2 If the bolts on the rocker arms of cylinder 2 are backed off half a turn they get full compression?
the lifter rods are two different sizes. Three long and three about an inch shorter.Pull lifters all the way up and drop rods in and you can tell where they go.
How do you tell when lifter is on camshaft base?
When the cam can be rotated several degrees without the lifter moving this indicates the lifter is on the base. This may not hold true with variable displacement engines or in the case or major valvetrain damage.
