I am trying to find this tick by process of elimination. suspect fuel pump if under hood. cannot locate noise area with hose to ear. the tick accels and decels with engine rpm. It comes and goes. but most comes. doesnt go away under specific conditions. i.e., load, temp, speed, rpm. but does go away sometime. The truck cuts out sometime, like stopped up fuel filter. found it. checked and was no help. about ready to junk motor and get another one. any help you could provide would be greatly appreciated. Jay
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could possibly be a lifter tapping (Ticking) ,depending on how many miles the vehicle has on it might be time for lifters to be adjusted,most foreign overhead cam engines must have lifters adjuster periodically ,if you turn on the air its puts more of a load on the engine causing a louder sound (also check oil level an engine low on oil will start to tick too.. the more wear the engine gets the looser the lifters can get over time ,look in your service manual if you have one and see what the intervals are on lifter adjustment this can give you an idea.
possible only if
the ticking sound is coming from the top of the engine usually comes from under the vavle covers where the lifters are located,
ticking noise can be a lifter /push rod /or rocker that needs adjusting or has been damaged from overheating [oil turns to sludge and can block oil passages in upper valve train ]or damaged from being out of time bent pushrod,flattened -collapsed lifter
Probably, but other things can cause what sounds like a tick as well. Early rod wear can sound a lot like a lifter tick. Sometimes even the transmission can develop a ticking in the area of the torque converter/pump. If there is no other apparent issues, chalk it up to old bones - after all you have 186K on it.
It's called a lifter. It is not serious. Keeping your car under good maintenance should keep the noise down but you will always hear it until you get the lifters replaced. Or that is what i was told. I have had my 1988 Fox for ten years now and it has always made that noise. Don't worry. :)
Turns out it was the water pump. The plastic impeller on the inside had broken in half- split almost right down the middle. there was just enough of the impeller remaining to attach to the shaft and pump water. Apparently, it was pumping enough to keep the temp under control. So, I never noticed it overheating. The piece that had broken off had gotten lodged in a recessed area inside the pump housing. The ticking noise was being generated as the intact half of the impeller rotated and hit the broken off half.
I narrowed down the problem by removing the belt and cranking the engine temporarily. With the belt off and the pump not turning, the sound was gone. I could spin the pump pulley by hand and faintly hear the noise.
A new pump cost me $35 and took about two and a half hours to replace.