Valve Lifter Noise Diagnosis

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Momentary Noise On Engine Startup

Step

Action

Value(s)

Yes

No

DEFINITION: Momentary noise when the engine is started

1

This condition is normal. Oil drains from the valve lifters which hold the valves open when the engine is not running. The valve lifter needs a few seconds to fill w...

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Document Tags

Document Title: Valve Lifter Noise Diagnosis

noise

engine

step

action

value

definition

valve

lifter

system

idle

noisy

speed

check

damaged

ball

replace

slow

quiet

vehicle

level

pump

required

bent

repair

loose

becomes

worn

rocker

excessive

square

spring

lash

camshaft

valve lifter

engine speed

check valve

slow idle

excessive valve

square valve

valve spring

valve lash

momentary noise engine

valve lifters valve

check valve lifters

level mark allows

louder engine speed

square valve spring

regardless engine speed