Bad Lifters - Major Problem
08-21-2006, 03:56 PM
#1
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Bad Lifters - Major Problem
I've had a noisy lifter for a few thousand miles now. Tried MMO, but just got much louder so I changed the oil today. The noise still persists. After adding the MMO, my running quality became very poor. Under partial throttle, the engine sounds/feels like it is being starved of oil and I'm getting a lot of misfires on cylinders 1 and 3. Going to do an oil pressure test tomorrow, but 2 mechanics have said that the lifters need to be replaced. Does the car have an oil pump? It appears that there is not a sufficient amount of oil being pulled up when looking in the crankcase fill. Anyone else have similar problems? Anything to check before tearing the engine apart? Also, does anyone have a price approximation for replacing all lifters? Thanks, Steve
08-21-2006, 04:04 PM
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Could be defect in materials in the lifter, lack of oil or probably some other things. I don't see
any reason why you'd replace all of them (unless they're not very expensive -- which i doubt). You can easily tell a failed lifter to a good one. The failed lifter is spongy when pushed. Good ones are springy and harder.
Cost is going to be the cost to remove head, pull lifter, exchange and reassemble. There's definitely no reason to do both banks unless there was an oil starvation problem or something that caused multiple failures (at which point, i'd think you'd have a bigger problem then a failed lifter).
Cost is going to be the cost to remove head, pull lifter, exchange and reassemble. There's definitely no reason to do both banks unless there was an oil starvation problem or something that caused multiple failures (at which point, i'd think you'd have a bigger problem then a failed lifter).
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08-21-2006, 04:08 PM
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As I mentioned a few days ago, there is no miracle potion as a cure
for failing/collapsing lifters. Sometimes brand new aftermarket, OEM on rare occasions, fail if the quality control is sub par. Why do they fail ? Age, so so assembly when new,infrequent oil changes,wrong oil viscosity etc.
If you can do a timing belt DIY you can do lifters DIY.
If you can do a timing belt DIY you can do lifters DIY.
08-21-2006, 04:09 PM
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I figure I've been post whoring all day long, might as well....I think EF even had this happen
to him. I have an interest in the problem since it could potentially bite me in the *** making cams. :-/