Questions tagged [valve-lifter]

Mechanical part which rides upon a cam lobe and allows for the actuation of the lifter. Also known as a "tappet" and just "lifter"

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28 views

Less oil on certain valves than others

I've got a 1986 3.8l 6-cylinder mustang. I've been hearing a ticking underneath the driver's side valve cover, so I took it off. I didn't see anything wrong so I started the engine sans valve cover. ...
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1987 dodge W100 making a loud tap/knock after rebuild

I have just finished rebuilding my 318 and have not even been able to move it yet, I started it and was hearing a very bad exhaust leak and tap. I put a left over gasket on the one side (along with ...
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52 views

Residue inside hydraulic lifter

My 1993 1.6L MX-5 with 103.000 Km was starting to make a faint ticking sound, coming from near the Cam Angle Sensor (CAS). Since the car was due a timing belt and water pump change, I decided to go a ...
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Stuck lifter; roller pin backing out

I've got a 1.9L Ford Escort. It has a stuck lifter. When trying to remove it, it'll only come up a very short distance and then stop. It appears that the pin that holds in the roller at the bottom ...
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1answer
848 views

How much kilometres it takes to fully set new hydraulic tappets after installing in royal enfield classic 350?

I just installed new hydraulic tappet set due to noisy old hydraulic tappets. 90% noise(tik-tik) is gone. 30-40 kilometres are done after new hydraulics installation but still 10% tik tik noise can ...
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1answer
793 views

Valve lifters hitting camshaft when hand cranking

I have a 2000 Chevrolet Malibu 3.1. I changed the head gaskets the intake manifolds and the valve stem seals. Before starting the engine and putting everything 100% back together , I wanted to make ...
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61 views

What is code p2647 for 2000 camaro z28

I have code P2647 on a 2000 Camaro Z28. What is this code and what is the fix for this code? The engine is making a loud lifter noise when starting.
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1answer
3k views

Replace lifter without removing heads or engine in 2000 Mustang?

https://www.youtube.com/watch?v=F-9dFdGq-vI I don't see why it wouldn't work as long as I torque everything down correctly and put it back together correctly.
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5k views

What are the various kinds of tappets / lifters and the advantages / disadvantages of each

A previous question about tappets found here: What are Tappets? covers the basics of tappets. If we go the next step, here are my questions: What are the various kinds of tappets / lifters? What ...
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1answer
821 views

Can you change HP by adjusting valves?

This may be a crazy question but can you increase your HP if you adjust your valves (by changing your lifters or whatever other mechanism is used for shimming) to decrease the gap between the riding ...
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2k views

Symptoms of valve adjustment necessity

I have recently had to rearrange my valve lifters in order to tune to an optimal clearance between cams and lifters, which on my Tacoma is 0.15-0.25 mm for the intake and 0.29-0.39 mm for the exhaust ...
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398 views

Gauging valve lashes with shuffled set of lifters

When I took my cylinder heads apart, I wasn't aware of the need to keep track of the order of valve lifters so I didn't. I did, however, separate the left from right side of the engine (V6 Tacoma). ...
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39k views

Why do valve lifters get stuck? How come they unstick by themselves?

I've seen this happen on a couple of different engines so far (BMW S62, Mitsubishi 4G63) but am not sure about how commonplace it is. If an engine isn't used for an extended period of time, the ...