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"
15
questions
0
votes
1
answer
30
views
Lubricating inside valve tappets/shims
Toyota engines come with tappets to shim between the valve rods and the camshaft. They look like small cylinders and are about the size of 2 oz shot glasses.
When installing them on top of the rod ...
- 6,351
1
vote
1
answer
32
views
Minor discrepancy in valve clearance reading
I started my engine work on a V6 Toyota Tacoma 3 mohths ago and continuing now from where I left off. Back then I did a valve clearance measurement on all the 24 valves with all the timing chains on (...
- 6,351
1
vote
0
answers
55
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. ...
- 34
0
votes
0
answers
28
views
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 ...
1
vote
1
answer
68
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 ...
- 203
3
votes
0
answers
206
views
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 ...
- 31
6
votes
1
answer
1k
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 ...
- 381
5
votes
1
answer
877
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 ...
- 51
0
votes
0
answers
64
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.
- 1
2
votes
1
answer
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.
- 245
10
votes
1
answer
6k
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 ...
- 9,276
2
votes
1
answer
902
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 ...
- 6,351
2
votes
1
answer
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 ...
- 6,351
2
votes
2
answers
431
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). ...
- 6,351
5
votes
4
answers
41k
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 ...
- 38.9k