bobh
Rover Rookie
Posts: 29
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Post by bobh on Oct 6, 2017 5:54:55 GMT
Took my new 1964 P5 MkII over the pits this afternoon.
It needs top control arm bushes and radius rod bushes replaced, and the leaks from the gearbox and oil filter sorted.
The last is the easiest (just needs tightening and a clean) and I’m getting a local auto transmission specialist to have a look at the gearbox. I am quite concerned about the gearbox leak, as it is longstanding and expertise and parts for the DG150 are thin on the the ground. Too much work and it could be fatal.
Any advice on the bush replacement? Is it a big job?
It's a solid car and drives well, so I would be keen to get it sorted if possible (notwithstanding it needs a new interior and new paint!).
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Post by djm16 on Oct 6, 2017 14:58:21 GMT
The DG box leaks from every orifice, but particularly from the front (oil pump) seal and often from output shaft seal and control shaft seal. Usually from the sump seal as well.
The box can be removed from the car without removing the engine, but it is not easy! I should know, I have done it. Removal time - 12 hours, replacement 8. Work on box 4 hours. Mine obviously took much longer than this as a) I am not a mechanic, b) I have never done it before, and c) I am a perfectionist.
While you have the box out, it would be foolish not to replace the rear main seal on the engine, the rear core plugs, gaskets over cam shaft etc. and while you are there, probably the rear main journal shells too.
Basically pray that the oil leak is something simple!
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Post by Phil Nottingham on Oct 6, 2017 18:28:08 GMT
It really is far less bother removing the whole lot in one go - its only few extra bolts but its REALLY heavy so you need a 1 ton hoist
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bobh
Rover Rookie
Posts: 29
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Post by bobh on Oct 7, 2017 0:41:49 GMT
The engine is quite tight and runs nicely, although I take your point regarding the opportunity provided by removing the gearbox. The gearbox leak itself is very clearly from the front. Thanks all for the insights.
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Post by enigmas on Oct 7, 2017 2:24:28 GMT
I second DJM's comments...if the engine is out (but not necessarily the bearings if the oil pressure is good...you can always remove a few caps to check the bearing and journal condition) If its running the original main seal it would definitely be at the end of its life and is possibly hard and dry.
It's also worth removing the sump and cleaning out the sludge...there will be sludge! The oil pickup (fine gauze) should also be removed and cleaned with suitable degreasers. Oil and its delivery system is the life blood of the engine.
PS. I've just finished all these tasks recently (albeit on a V8) but it was definitely worth the effort. Don't kid yourself that all's fine by not investigating these things or you'll regret it later.
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