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Why does a motor make a tapping noise when its cold but not when its warm?
Wiki User
∙ 12y ago
sounds like your oil is wrong viscocity and causes the hydraulic lifters to tap until oil thins enuff to work the lifters. if changing oil doesnt help you have a worn lifter
Wiki User
∙ 12y ago
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Why does your bathroom sink make a tapping noise when it's not on?
something hitting the pipe, hot water pipe touching cold water pipe, or is it burping noise ? a tapping noise is sharp, do you live in an apartment ? is this a house, lot s of causes,
Why would a 1995 GMC 350 make a tapping sound when cold that gets louder when warm?
If it is a Tapping sound it is normally a lifter. Could also be a cam, pushrod, and or a rocker arm. Tapping is normally upper motor. If it is a knocking noise it is normally in the lower motor. If the noise gets louder when warm most likely a lifter is going bad. As the oil heats it thins slightly causing more oil to bypass inside the lifter which it is not supposed to do
Why does my truck make a loud tapping noise from the motor til it warms up?
sticky valve most likely. give it an oil change and throw some lucas oil conditioner in there
Why does my engine make a tapping noise at idle?
possibly low oil or low oil pressure, the tapping may be coming from the oil operated hydraulic lifters.
My 2002 Camaro has a Tapping noise during operation . What could that be?
A tapping noise in a 2002 Camaro could indicated noisy lifters. Make sure that the oil level is full, and the oil is clean and recently changed. Lifter quieting additives can help reduce the noise some.
What bird gets there name from a tapping sound they make on trees?
Woodpecker taps on trees and makes noise.
Why does your 2 stroke engine make a tapping noise at idle?
Sound like your fuel/air ratio is not correct.
How do you adjust valves on C240 Mercedes?
You don't... Hydraulic tappets are fitted. If they make a tapping noise occasionally that goes away get used to it, or add hydraulic tappet cleaner additive to the engine oil after an oil change. If they constantly make the tapping noise it's time to get them checked out. Could be expensive!
What kind of noise does a bad harmonic balancer make?
it'll sound like a hollow tapping sound while rotating.
Why would a 1997 Audi A4 1.8T with under 50K miles make an engine tapping noise?
Normal for the 1.8t
Why does 2001 impala fan make noise?
All fans will make a "whooshing noise" If there is a squeaking or grinding noise the fan motor needs to be replaced/refurbished.
What are tapping valves?
Tapping valves is a noise made by too much clearance between the valve lifter and the valve. Modern engines have hydraulic lifters. If you have too little oil pressure or run the engine low on oil, the lifters will make noise. The lifter can also wear out.
