How do I adjust the tappets on a 1986 1.6i ke laser

Tappets making noise on a 4Y petrol engine 2.2 may be caused by a few different things. Here are a few possible causes and solutions:

1. Lack of oil pressure - If the engine is low on oil, the oil pump may not be able to provide enough pressure to properly lubricate the tappets. Check the oil level and top it up if necessary.
2. Worn tappets - Tappets can wear out over time, especially if the engine has high mileage. Worn tappets can cause noise and can be replaced.
3. Loose tappet adjusters - Tappet adjusters can become loose, which can cause noise. Tighten the adjusters according to the manufacturer's specifications.
4. Valve clearance - The valve clearance may need to be adjusted. if the clearance is too tight or too loose, it can cause noise.
5. Dirty engine - If the engine is dirty, the tappets may become clogged with debris, causing the noise. Clean the engine thoroughly to remove any debris.
6. Oil Quality - If the oil you are using is not of good quality or if it is too thick, it will not lubricate the tappets properly, causing the noise.

It's important to follow the manufacturer's instructions and use the right tools and equipment when working on the machine. If you are not familiar with the mechanical systems, it's best to take the vehicle to a qualified mechanic to diagnose and fix the issue.

Question edited for clarity.
Question moved from 'Misc'.

There are two types of valve tappet adjustments. Generic information only because 1.4 Utility isn't a model name or designation.

https://www.google.com/search?q=2010+Opel+Vauxhall+1.4+utility.+How+to+adjust+tappet+clearance

Question edited for clarity.

The cam followers have the adjustment and have to be replaced. They don't have adjustable tappets as such. Note spelling 'tappets', not 'tuppets'.

http://www.nisentra.com/camshaft_valve_clearance-411.html

https://www.google.com/search?q=Tappet+adjustment+for+1988+B12+auto+engine+Nissan+Sentra

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You have asked a very big question. Adjusting the tappets is another way of saying adjusting the valve clearances.

Lots of engines these days are fitted with hydraulic tappets that are self-adjusting. Some engines are overhead camshaft types with bucket tappets and the clearances are adjusted by measuring and selecting different thickness shims. The shims are sometimes under the bucket and sometimes over. The former is a fairly big and complex job to adjust and the latter is fiddly and requires much patience.

Traditional designs using adjusting screws and locknuts exist on all manner of engine types and once the principle of which one to adjust when is learned, these are relatively straightforward.

I strongly suggest you discover first what sort of tappets you need to learn to adjust, learn something about the way the engine works and why the tappets need periodic adjustment and then pay somebody to show you how to do the job so next time you will be able to do it yourself.
Adjusting the tappets is one of the core skills of the mechanic and it is learned better by demonstration and understanding than from a book. No book can adequately describe when a feeler blade has a good or a bad "feel"...

Good luck!

If you have adjustable tappets bring the engine to top dead center no 1 piston firing The rocker will be on the back of the cam lobes. Inlet .010" hot exhaust .012" hot and then turn until next firing piston is in position. Go by firing order. I suspect that a 1997 model would have hydraulic adjusted tappets which means no manual adjustment. If it is rattlly I would be checking for worn rocker shaft and rocker bushes.

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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Hydraulic tappets are normally zero lash ... not adjustable. That is why they are hydraulic ... the lifter takes up all the 'clearance' and is automatically adjustable.

YES

0.10 - 0.15mm inlet
0.18 - 0.23mm exhaust
but you must be carefull because the top of the valve seat becomes concave from wear, a feeler guage will not give the most accurate reading, hope i have been of some hel

you can check under the clutch pedal for an adjuster and if not there look under car/truck and it will be a bar that comes from the clutch pedal. and if thiers no adjuster then its a hydroulic and you should go to a shop.