I had a question about oil presure and got a good answer, Although my presure is good i still hear my lifters clacking
. Cold or hot while im cruzing i can here them . The noise fades in and out and its driveing me nuts . I cant find anything on line on how to adjust them. I am a auto machanic so im sure i can do it i just dont have the specs . Help!
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Re: noises , noises , noises
The lifters are hydrulic and require no adjustment unless the pushrods have been swaped out to adjustables, the stock ones are solidlength like a car you need to undo a pushrod cover to see them we would need to know the thread pitch to determin the adjustment if there adjustable check the lifter block screen for trash also
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check oil level add if necessary --if oil level good or high and if looks like chocolate syrup possible head gasket blown /damaged ---if oil good and level ok then would need oil presure tested for possible oil pump failure and clicking possible oil starved or moisture mix causing the lifters to make noise
Sounds like you have hydraulic lifters and one or more are sticking or collapsing when warm/hot. You could try a commercial lifter cleaner additive in the oil, otherwise if it is a lifter problem you would need to change it/them out for new ones. You need to post information as to what make, model and year the bike is.
Wrong oil. Check the engine temp and thermo. Make sure oil is compatible with service. eg. your driving style and the weather. Castrol is pretty good oil. I used it in air cooled motocycle engine to solve shifting problem in hot weather. All lifters do not get the same cooling. That one is prob running a bit warm. good luck with that.
I dont think and intake gasket will cause lifter noise. It may cause a rough idle and or a miss at idle on cold start up . as the engine warms up the miss or rough idle will decrease . As for the lifter noise this could be cause by the lifter bleeding down or poor oil presure . On your model of engine there is no adjustment on the rocker arms for lifter noise . They are a 0 lash type .
Change the engine oil and filter.Use a fully synthetic oil this will stick to the lifters where other oils drop down to the bottom of the engine when switched off. leaving the lifters dry. The oil has to travel back up to the lifters when cold and that's the noise you hear.
I suspect you have hydraulic lifters and the sludgy oil could plug up your lifters - as well as running that low on oil. Top off your oil and get an oil additive engine cleaner, warm your engine at idle only then change oil when warm. Add 1 quart of marvel mystery oil to the crankcase then top off with high mileage oil, like Valvoline. Run motor at idle only and see if this cures the problem - if not then you may need to remove the intake and replace your lifters, a costly and time consuming job. I would not try driving as you may waste the cylinder head or block by running a stuck lifter. There is also an oil additive specifically for stuck lifter and I think I would add that as well as the Marvel. I hope the quick fix works for you and good luck!!!
Sounds more likely to be a timing rattle rather then all the lifters at once making noise, if your EGR valve is bad this will happen and if the timing is off it will also do this, I can't buy the theory all 16 hydraulic lifters are noisey unless you over reved it something fierce, or ran it out of oil, or had someone loosen all the rockers.
I would go to an autoparts store, and purchase some Sea Foam. You can put it in your gas and your oil, and it should clear your sound up if its lifters. I used it, and it worked great for the lifters on my Dakota. They will make noise sometimes when its really cold. Try it out. Hope it helps.