Engine tapping after rebuild?! Slipped liner?

nicka2804 · Oct 1, 2014

took a quick video tonight of the noise once its warmed up to temperature. remember this only happens when hot. its silent when cold.
cheers
nick

https://www.youtube.com/watch?v=sZ1c7mzCIcU

wammers · Oct 2, 2014

nicka2804 said:
took a quick video tonight of the noise once its warmed up to temperature. remember this only happens when hot. its silent when cold.
cheers
nick

https://www.youtube.com/watch?v=sZ1c7mzCIcU

That sounds like a tappet to slow to be a liner moving.

nicka2804 · Oct 2, 2014

wammers said:
That sounds like a tappet to slow to be a liner moving.

Thats reassuring, do you think i will get away with taking them out and cleaning them out? I do have a couple of spares.
Nick

Saint.V8 · Oct 2, 2014

Mine has the same kind of tick, not as heavy, but similar sound and timing....and I am sure mine is a hydraulic lifter that has failed!

nicka2804 · Oct 11, 2014

A bit of an update, narrowed down to be the nearside bank causing the noise. Went for a 30 mile run around and still the same. Swapped lifters on that bank. Noise still there once warm!
Now got the head of that same side.
I can feel with my fingernail a lip between liner and block in middle two cylinders, im guessing we are talking slipped liners now then?
Nick

wammers · Oct 12, 2014

nicka2804 said:
A bit of an update, narrowed down to be the nearside bank causing the noise. Went for a 30 mile run around and still the same. Swapped lifters on that bank. Noise still there once warm!
Now got the head of that same side.
I can feel with my fingernail a lip between liner and block in middle two cylinders, im guessing we are talking slipped liners now then?
Nick

Somewhere on the net a guy in the states i think, pulled them back into place a drilled and pinned them. A lot cheaper than a new block or engine. http://www.landroverresource.com/docs/Pinning_V8_Liner.pdf

nicka2804 · Oct 12, 2014

wammers said:
Somewhere on the net a guy in the states i think, pulled them back into place a drilled and pinned them. A lot cheaper than a new block or engine. http://www.landroverresource.com/docs/Pinning_V8_Liner.pdf

Yeah ive seen that before, may be an option. Im going to view another p38 today which has spat a bit of headgasket out. May use my already skimmed heads and repair that. Depends on condition. If not will do that with my engine.
Nick

nicka2804 · Oct 13, 2014

now got both heads of and can feel a slight lip on most of the liners. best measurement i could get using verniers as depth gauge was 0.5mm.
how much can they move?
i would have thought 0.5mm would have disappeared once warm and expanded?
cheers
nick

Engine tapping after rebuild?! Slipped liner?

nicka2804

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wammers

No longer with us, RIP

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Saint.V8

Dyed-in-the-wool 100% RR Junkie

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wammers

No longer with us, RIP

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