Vehicle & Technical > Defender
0 milage engine rebuild - whats involved
burgerman:
Hi rob. there are a few good engine shops about, I worked for one for 14 years, Now called classic and modern engine services, in Bracknell, I still know all the guys there, Paul who use to be workshop manager now owns the company outright,He dont suffer fools and tells you the correct answer if you want to hear it or not :lol:
As many on here have said, there is nothing wrong with a proper rebuilt engine, If you wish to get involved yourself then by all means ring/pop down to a shop and discuss the options, you strip it, they machine it and supply the parts, you builds it
TDi90:
yeah good point there burgerman, you have pm.
thats exactly what i want to do strip it myself then take it to a specialist....
R
Range Rover Blues:
For as good as new you'll want the crank ground, get the grinder to supply the shells though
You'll want the little end bearings replacing and the camshaft bearings
New camshaft, followers and rocker shaft, I can't see why you can't re-use the pushrods.
New pistons, oil pump, fual and water pumps
injectors and fuel pump rebuild
new head perhaps, I read in a workshop manual that yu can't reface the head on the 300TDi, though I have done it in the past.
If the block is rebored/honed and shows no signs of damage then it's probably just as good as a new one if not better, as it will be well stress-relieved by now.
Basically if it spins or slides then it's need work, many parts have a sacrificial bearing but after about 30,000 miles the journal that runs on it will be showing wear.
Les Henson:
I've just finished rebuilding a 300TDi engine. All bearings, seals, and gaskets are new gen items. The block was bored out to +020mm, and I fitted gen pistons. The cylinder head, valves, springs, guides, etc are all brand new too (From Turner Engineering). As far as I'm concerned it looks new and is as good as.
Les.
burgerman:
You can skim almost all cylinder heads, all parts come with a minimum thickness,as long as after the skim its still within spec its ok, you will/may have to recut the valves n seats to get the correct valve heights, and also tip the top of the valves on hte rocker pillar side, but all possible,
Some heads with precombustion chambers - you remove the chambers, machine the head then machime the area where the chamber sits to leave the chamber sitting approx 1 1/2 thou protruding, dont sound a lot but does make a difference
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