axbreck · May 4, 2011

I have a 1990 range rover with a tappet noise on number 7 cylinder so I replaced the tappets with new ones (soaked in oil overnight) and still the same noise I did not find any serious wear could it be low oil pressure any thoughts welcome ps I changed the oil and filter

fett · May 4, 2011

worn rocker arm?

richard9 · May 4, 2011

I had a similar problem, when it dropped a valve. Really noisey, but still ran with no overheating or oil pressure issues . I ended up having replacement heads,
water pump etc etc.

blackvoguebeauty · May 4, 2011

I bet it's not this but simple to check...

I had a really annoying ticking for ages, just like tappet noise. After much ****ing about it turned out to be a slightly loose spark plug. I could just hear it sparking, which from where it was sounded like a ticky tappet. Tightened up and noise gone. This was after I'd replaced tappets, cam, timing and rocker gear.:doh:

Worth a check just in case. Good luck.

vougese39 · May 6, 2011

Firstly you don't put new followers on a worn camshaft secondly if they are pattern followers they will not last log due to very poor quality.
Rocker arms are the most common issue with valve train noises

njh2 · May 7, 2011

vougese39 said:
Firstly you don't put new followers on a worn camshaft secondly if they are pattern followers they will not last log due to very poor quality.
Rocker arms are the most common issue with valve train noises

Amen brother!!

axbreck · May 7, 2011

Found the problem, it was a leaky exhaust manifold gasket

fett · May 7, 2011

njh , did you get yours sorted?

oil dripper · May 7, 2011

axbreck said:
Found the problem, it was a leaky exhaust manifold gasket

Been there:doh: sounded like the cam was about to surrender underload

axbreck

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