 | Home > Puma (Tdci) > Crankshaft replacement - DIY job |
 
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2262   
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IIRC to remove the crankshaft you need to remove the oil pan and then the stiffener plus other bits of the timing mechanism. Anyway, 2 things. 1) obviously a lot easier to work with the engine out of the car and 2) engines are a box of surprises.
I rekon it can be done. PS depending on the damage, a good machinist could fix the seat of the pilot bearing. Puma 110" SW ............................................................. Earth first. Other planets later |
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25th Nov 2023 12:25pm |
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| andy63 Member Since: 30 Jun 2023 Location: north east Posts: 239  
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I'm thinking the issue will be the setting up of the engine again..how is the engine timing set up.. Do you need access to the crankshaft sensor mount to do it etc etc..
I think it would be a better and safer bet to remove the engine, even if you could drop the crank with it in situ.. |
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25th Nov 2023 12:42pm |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 559 
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If you are going as far as the crank just buy a full rebuild kit. Crank pistons rings bearings gaskets head bolts etc. and a new oil pump. And a timing chain cover. And a cover alignment tool. with a good crane and engine stand it’s less than a day to get it out a couple of days diy to strip and rebuild and another to put it back if there is somewhere dry to work.
It’s definable doable but the engine should be out as you can’t separate the stiffener due to the crank seal being bolted to it. |
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25th Nov 2023 4:28pm |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 559
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Didn’t read the box was coming out so it is doable
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25th Nov 2023 4:59pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2262
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Unless the latter is a summarized summary, I would never follow such path. Puma 110" SW
............................................................. Earth first. Other planets later |
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25th Nov 2023 5:52pm |
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| 100inch Member Since: 15 May 2012 Location: Brunswick Posts: 407  
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If you think the damage is only on your crank, I suggest you talk to people who do site based flange machining on pressure equipment (pressure piping/ vessels).
Maybe easier oversizing the bore in situ (obviously box has to come out) and get an oversize pilot bearing made. Most of their equipment is air driven, but for smaller flanges we actually use hand operated gear as you only take off small amounts . M |
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25th Nov 2023 9:23pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1570  
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I would take the engine out to repair that. The bearings are hard to replace without the tool. I have a polished genuine crank here on the shelf
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25th Nov 2023 10:26pm |
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