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ianrichardson
Member Since: 31 Aug 2010
Location: Cardiff and Mid France!
Posts: 313
  
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| 2007 D3 with broken off timing belt tensioner! |
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I posted some time ago that I was thinking of buying a dead 2007 D3. The usual problem in that the timing tensioner had broken off the oil pump casing.
I would love to buy this as a project for the winter months in the garage! It would mean heads off in the car of course, and I know what folk think of that but as long as it is possible, then I am prepared to give it a go!
Interestingly Haynes Manual says it is possible, so it must be!!!
Now to the nitty gritty, given that the catastrophe happened at a very low engine speed, what is the likelihood of real damage to the pistons, con-rods and even crank?
Given that a few valves might well be bent, what other nasties can be hidden away for the unsuspecting?
I am aware that the rocker arms will need to be checked along with any other visual clues.
How many, who have replaced one or both heads after having a tensioner break off, have a visual indication of valve piston contact with a bent on the piston?
Has anybody had a con-rod bend?
My intention, after a visual cam cover off, was to replace the oil pump, tensioner and cambelt and then see if the engine starts - after turning it by hand and checking that all looks OK - of course.
Anybody - Disco-Mikey and all have any other suggestions?
Best
Ian
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 17th Nov 2017 7:32 pm |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727
 
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They tend to either:
Bend valves
Break rockers
Bend camshafts
Snap cam caps
Snap cam chains
While the heads can be done in situ, I don't fancy it much 
Suppose the biggest concern is hidden damage in the bottom end, fractured piston or bent rod etc.
Pulling the cam covers off one next week, that has suffered a broken oil pump. Customers request, despite telling him it's likely to be  and would be better putting a replacement engine in  My D3 Build Thread
TDV8 Retrofit Build Thread
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| 17th Nov 2017 7:36 pm |
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ianrichardson
Member Since: 31 Aug 2010
Location: Cardiff and Mid France!
Posts: 313
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Thanks for the quick reply DM.
If I take the project on I will have to do it in my house garage, so no way to lift the body!
In your extensive experience anything broken on the head will be obvious, is the bent cam, apart from broken caps, obvious? How often have you found a con-rod fault? Rare, a few, nearly every one?
Replacement heads seem to be out there on fleabay at sensible prices, so that one is sort of covered.
A question, if you didn't have a 2 post lift and weren't adept at lifting the body, (I'm amazed and impressed you can do it in 2 hours!) would you attempt changing the heads?
Ian
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| 17th Nov 2017 9:24 pm |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727
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Biggest problem would be torquing the cam pulleys to the required torque, though there are special tools to assist in this
And the LH head is not fun to remove
I'd think twice about doing it with the body in place...
And I'd also be very wary of 2nd hand heads.... My D3 Build Thread
TDV8 Retrofit Build Thread
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| 17th Nov 2017 10:03 pm |
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KostasA
Member Since: 23 Aug 2015
Location: nairobi
Posts: 286
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but you can still take the engine off, even without removing the body. then you can do all work necessary and put it back. once it is out there are a few other things to consider looking at.
there is a thread somewhere that a lad took the engine off in his garage way. of course if you have the option to remove body (ie local garage) that would allow you better flexibility.
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| 18th Nov 2017 4:38 am |
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ianrichardson
Member Since: 31 Aug 2010
Location: Cardiff and Mid France!
Posts: 313
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Thanks Guys for all the advice.
D_M - I understand your reluctance to even attempt the job without removing the body. What is a very fiddly job with guaranteed bleeding knuckles and possibly more is made almost a pleasure with easy access.
KotasA - What can be done under extreme circumstances can be truly amazing, I've seen mechanics in Jordan and Lebanon working on vehicles, doing most jobs in situ! I'm sure it is the same Kenya too!
garrycol - Thanks for the link, very interesting reading.
I'll put the question out, does anybody know of a garage/workshop with space in Cardiff where I can lift the body and do the job in style? Money is a problem, as this is a pensioners (me) chance of resurrecting a dead D3 into a reasonably priced runabout!
Best
Ian
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| 18th Nov 2017 8:44 am |
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KostasA
Member Since: 23 Aug 2015
Location: nairobi
Posts: 286
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Is what we call bush engineering!!!
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| 18th Nov 2017 9:06 am |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6232
 
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@ianrichardson go for it dont let all the scare mongers put you off, they said the rear belt could not be done with body on !!!. If your willing to put up a fight and a of bit struggling then have a go. It will be all the more satisfying when you have done it.
Flack 
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| 18th Nov 2017 9:38 am |
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ianrichardson
Member Since: 31 Aug 2010
Location: Cardiff and Mid France!
Posts: 313
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Bush engineering, I couldn't remember the expression!
Thanks for the encouragement Adrian!
The poor D3 looks rather sad and really should be brought back to life!
I'll just have to try and get it for a price that 1) I can afford and 2) There aren't a multitude of nasties lurking inside waiting to strike me down financially.
Second call - Anybody in Cardiff know of garage/workshop with some rentable space?
Best
Ian
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| 18th Nov 2017 12:17 pm |
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KostasA
Member Since: 23 Aug 2015
Location: nairobi
Posts: 286
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Flack, well said mate!!!
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| 18th Nov 2017 7:15 pm |
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