Question about 1996 Toyota Hilux

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Noicy ticking sound when under load 2.8l ln106

When under power uphill the engine makes a noisy ticking sound...tappets or rockers? how do i fix it?

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Posted on Jan 02, 2017

GARYca
  • 672 Answers

SOURCE: engine sound very noisy,knocking at the rocker cover

this vehicles engine does not have rocker arms, cams sits atop the valves which have lifter shims. If you had a bent valve, car will run rough or encounter misfires. If the knocking is coming from the head, Possible valve lifter shims worn, or severe camshaft lobe wear. I would recommend bringing the car to a repair shop to have it checked. Hopefully this helps!!

Posted on Aug 14, 2009

  • 753 Answers

SOURCE: I have a 1995 Toyota

Very good possibilty also if chain or chain tensioner came apart you may have bent some valves.

Posted on Sep 26, 2009

DIESELMUDDER
  • 2760 Answers

SOURCE: Toyota celica 190 bhp tappets are noisy

one or both of two things can cause this

low oil pressure to lifters
or there clearance is not adjusted correctly

clearance should be adjusted with engine hot and idle'ing using a go /no go shim of proper thickness

Posted on Jun 29, 2012

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2 Answers

A noisy engine


low oil pressure, wrong oil filter, worn hydraulic lifters , worn rockers at valve stem ends
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this engine will have hydraulic tappets and will not be adjustable . If the tappets are noisy it will probably be worn rocker arm bushes / shafts or faulty lifter units.. Contact a Honda specialist for an inspection before deciding on spending money

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these engines with manual rockers had wider than usual settings as i remember ,but set to around 12 th inlet and 15th exhaust and you be far out and check for wear under the actual tappet and if excessive then renew as parts still available but the settings i give should stop the noisy exhaust tappets these cars are famous for

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Valves in 2003 ford focus SE 2.3L are loose...how do I fix them?


I doubt if the valves are loose or need adjustment as the engine should have hudraulic tappets which adjust automatically when the engine is running. I suggest that your friend take off the rocker cover and see if anything is out of place. As the engine is 10 years old it is possible that the tappets may be badly worn and not working properly hence the noise

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What is tappet settings


Hydraulic tappets are tappets that contain a small hydraulic piston, pressurised by the engine's lubricating oil supply.[5] Although the piston does not move appreciably or frequently, it acts as a hydraulic spring that automatically adjusts the tappet clearance according to the oil pressure. This makes the valve actuation self-adjusting and there is no need to adjust the rockers. Hydraulic tappets depend on a supply of clean oil at the appropriate pressure. When starting a cold engine, with low oil pressure, hydraulic tappets are often noisy for a few seconds, until they position themselves correctly.


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Jun 15, 2012 | Cars & Trucks

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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.

Mar 11, 2010 | 1997 Ford Mustang Cobra

1 Answer

2003 Ford Ranger ticking noise, not a ping or knock. It is coming from the engine.


THE ticking noise coming from the engine ..is it just a 1 tick on idle at about each rev of engine,,and does it make any differance to the running of engine ,,Does it get softer when it gets warmer.
As it sounds like a loose tappet and being a oil adjusted tappets this thought of thing does come in now and again. and the best thing to do is to get a small plastic tube 25mm (or 1' ) and 2ft long and put it to your ear and listen at the top of the rocker cover ans see if the noise gets louder in a certen place ,as you will hear it if it is there..
Other wise it could be a Small end on the conrod which the piston is connected to.... lets hope not.
So let me know as soon as poss the answers to all the above. Ron










Oct 16, 2009 | 2003 Ford Ranger Regular Cab

1 Answer

Persistant ticking loudest under the engine


Loose tappets normally. They sit in the cylinder head on the rockers between the camshaft push-rods and the valves and are adjusted to bring the gap between the rocker and the valve to the manufacturers spec. Too much gap and the valves do not open properly, restricting fuel intake / exhaust gas purging. Too little gap and the valves will not close properly and can burn out. Mechanical tappets can be adjusted, hydraulic ones are eventually changed if the tapping gets too bad. There is a third type called bucket and shim but quite rare these days an the adjustment is complicated. Less likely is a sticking valve; a condition where, for a number of reasons, a valve does not close properly leaving a big gap between the rocker and the valve with consequent ticking and normally a loss of power.

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1 Answer

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This car has hydraulic lifters( tappets} therefore should not adjustment, you probably have a bad or weak lifter. But, in any case you have to remove the valve covers to make the adjustment. You will see the adjustable bolt on the rocker arm. rotate the engine until the valve is all the way to the top, [no tension on the valve spring] then place a feeler Gage in between the rocker arm and the valve stem, adjust the rocker arm until the feeler Gage is snug but not tight. Do this with each valve. Check the book for the correct Gage to use but I think it is a .018.

May 15, 2008 | 2006 Datsun Stanza

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