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Loud Noise In Engine

departure

By departure,
in General Maintenance

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departure Newbie

departure

Posted
Posted

i have a r33 GTR and its makeing a ticking noise im pretty sure its a hydaulic ligfter ive tryed flushing engine oil, fitting new oil filter and putting lifter free in my new oil but its still a loud ticking noise any help would be appricated.

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https://www.sau.com.au/forums/topic/427364-loud-noise-in-engine/
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Plattsy Grand Master

Plattsy

Posted
Posted (edited)

Have the exact same noise in my r32 gtst.

Ticking gets faster as you accelerate, sounds like its coming from under my cam cover...

check for loose bolts on your exhaust manifold. could also be a knackered rocker cover gasket. change it anyway its 50 bucks.

also put in a bottle of lifter free up. all that should cost you 100 bucks. if it fixes it you win. if not your looking at new lifters mate.

Edited by Plattsy
djr81 Grand Master

djr81

Posted
Posted (edited)

i have a r33 GTR and its makeing a ticking noise im pretty sure its a hydaulic ligfter ive tryed flushing engine oil, fitting new oil filter and putting lifter free in my new oil but its still a loud ticking noise any help would be appricated.

Dude RB26's dont have hydraulic lifters. But they do have very noisy injectors. And a propensity to run big end bearings.

Edited by djr81
GTR-N1 Grand Master

GTR-N1

Posted
Posted

With a wooden dowel about 40cm long place one end on different parts of the block/injectors etc and listen to amazing (or annoying) sounds!

Wood helps to localise the noise better than a long shafted screwdriver IMHO.

*The other end goes to your ear hole if I wasn't clear enough :P

XGTRX Veteran

XGTRX

Posted
Posted

With a wooden dowel about 40cm long place one end on different parts of the block/injectors etc and listen to amazing (or annoying) sounds!

Wood helps to localise the noise better than a long shafted screwdriver IMHO.

*The other end goes to your ear hole if I wasn't clear enough :P

Yep do this before you take it anywhere at least it will tell you whether it is top or bottom end. IMHO if it is happening when you put it under load and then gets a bit louder or changes slightly when you back off the throttle = bottom end = rebuild. But confirm it as mentioned above first. Let us know.

mungy Experienced

mungy

Posted
Posted

The noise could be a number of different things, including anything that has a pulley that the belts wrap around. Like the alternator, etc... It could be the valving as noted above, and it could even be the apex seals tapping on the housing (which is really not good). In theory, it could also be a fuel injector problem.

This is some of the dumbest advise ive ever read on SAU, seriously if you know nothing about engines or diagnosing please just keep it to yourself.

And the reason Im harsh when it comes to advise giving is because the wrong advise will always lead to worse problems and more expensive repairs...

Please, for the love of god, if you know so little about an RB engine that you think it could be apex seals in a piston engine, you need to stay the hell away from cars.

mungy Experienced

mungy

Posted
Posted

I associate ticking to a bomb ....

Ticking in mine turned out both times to be big end bearing - just sayin'

BTW: Departure posted and by the looks of it departed !

Agreed, a loud tick that increases with revs is baaaad......sometimes.......its not really a tick if it quiet then is it, more of a click bang lol

and yes lol looks like he vanished...or forgot his password so i guess we will never know

Ben C34 Grand Master

Ben C34

Posted
Posted

sorry guys been pretty busy its defently sounds like its comeing from the lifters as i tryed the wood theory is it verry hard to get to the lifters ?

Depends what you mean, and what you are planning to do when you find them, and find they are solid lifters.

To answer your question, it is not a big achievement to get to the lifters. Surely that is obvious!

Ben C34 Grand Master

Ben C34

Posted
Posted

This is some of the dumbest advise ive ever read on SAU, seriously if you know nothing about engines or diagnosing please just keep it to yourself.

And the reason Im harsh when it comes to advise giving is because the wrong advise will always lead to worse problems and more expensive repairs...

Please, for the love of god, if you know so little about an RB engine that you think it could be apex seals in a piston engine, you need to stay the hell away from cars.

at least she is hot!

Also,I wonder what housing the apex seal would tap on? :)

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