Question about Jaguar XK8

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I have a 1997 jag xk8 that sounds like it has a noisy hydraulic lifter, is there any additive that works good in helping this?

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  • Jaguar Master
  • 714 Answers

You may try adding a engine oil flush follow the instructions on the container if the lifter is blocked that may help but that engine at that model/year suffered with worn nicosyl coated liners which made the engine poor starting/noisy unless it has been reworked with cast liners

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1 Answer

Can it adjust valves in a 99 oldsmobile intrigue 3.5


In a word, no.
Your car has "hydraulic" lifters, and are not adjustable.
If you have a lifter that is "clattering" which would make it sound as though it needed adjusting, likely the problem is a hydraulic lifter, or the camshaft, or that a connecting part that has failed.
That part, whichever it is, needs replacement.
It is probably that the failed part, when matched with a new one, is easy to see it has worn down or worn out.
Some Oldsmobiles also had a problem with "noisy" lifters as a result of sludge in the engine from insufficient oil changes.
If this is your problem, get an additive for the motor oil that will "wash" the inside of the motor.
That will also require several oil changes and oil filters in the "cleaning:" process.
God bless your efforts.

Aug 19, 2016 | Oldsmobile Cars & Trucks

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Are the lifters on a 1997 ford f250 self adjusting


All newer vehicles use Hydraulic Lifters, if they are getting noisy or sticky, it might be time to replace them.

Jul 18, 2010 | 1997 Ford F250 SuperCab

3 Answers

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Sorry but there is no valve adjustment with hydraulic lifters - can turn the lifter upside down fill with oil - let sit for a while and then tap on the lifters to see if they make noise - if noisy replace.  Camshaft may be worn on the lobes or may have jumped timing if belt.

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SOUND LIKE CLUSTER WORN OUT OR POOR GROUND LOOSE WIRE.

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1 Answer

Motor makes a pecking sound at 2000 rpm only under a load.does not do it while reving parked


Noise out of the engine. Noisy valves? Low oil level? Is the sound like tick, tick, tick, tick......that's how bad valves sound. I don't know if you have solid lifters those have to be adjusted after some mileage. Hydraulic ones are self adjusting. Only a good mechanic can tell for sure.

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1 Answer

Engine runs good then I hear a tapping noise. could I have a bridge broke inside the engine? 1987 brougham with a 350 Olds motor.


noisy lifter is number one....get an addititive like hyper lube and run it 20 min on the freeway,. lifters are hydraulic and get gummed up with a varnish like substance. an additive dissolves it and restores the hydraulic lifters action,which operates the pushrods that operates the valves

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1 Answer

Jaguar XK8 PROBLEM BOOT WON'T CLOSE


In the trunk on the right side behind the carpet is the hyrdaulic unit. There is a T fitting on it. Turn the T fitting counterclockwise to release pressure. Tighten it back up and try the top again. I have had this work for me several times.

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1 Answer

1990 4.0 jag sov lifters making noise


No real worry, try adding some Marvel oil to it or using a decent synthetic oil. Either, or both should help get any gunk out of the hydraulic part of the lifters, and neither will do any harm. Don't expect the noise to disappear instantly though, it took a long time to get that way. Don't use any heavy additive or single grade oil (like 40 weight) That will jam up the oil control rings on your pistons.

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1 Answer

1998 jaguar xk8 convertible


The problem in my Jag was the hydraulic cylenders that raise the top. The seals in the cyl's leak by, and there isn't enough pressure to lift the top. No external fluid leaks, just internal to the cyl's. I had estimates from 2 shops to replace the units. $1,500 at both shops. I purchased the cylenders for $750 and replaced the myself. Required refilling the tank on the pump in the trunk, passenger sideb behind carpeted panel. Works like new again.
Good luck.

Apr 20, 2009 | 1998 Jaguar XK8

2 Answers

Noisey valve lifters in 2001 blazer


I suggest Blue Devil products for noisy valve lifters. If they are too worn or one of them is broken , no product will work . The lifters and valves have to be overhauled.

Apr 07, 2009 | 2001 Chevrolet Blazer

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