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Diesel Injection Pump repair

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mark3



Joined: 29 Nov 2009
Posts: 881
Location: Rainham Village, Essex

PostPosted: Wed Oct 28, 2020 10:29    Post subject: Reply with quote

jejoenje wrote:
Just came across this, which may be useful to know about if you need to get the pulley off the pump, for some reason:
https://~.com/index.php?threads/ip-front-seal-fuel-leak-and-makeshift-sprocket-puller.2776/


Whoever wrote this article is being extremely overcautious, in reality these pumps aren't that delicate.

I've removed 2.5 drive sprockets many times by knocking a wedge in between the pump sprocket and engine body many times and it really don't take a lot of effort to get the sprocket to pop off, same with the 2.8 drive gear, once the pump is off the vehicle that is, it's literally a five second job.

Using a puller on the other hand is hugely effort consuming (obviously not on a 2.5 as you Can't get a puller on unless the engine is removed) I have tried many times with a puller and it takes a lot of tightening to the point where you think there will be mechanical failure and some rather heavy hitting too, really not good for a pump internals †Shocked

Big screwdriver inserted in the right place, few taps from a hammer and pop, it's off in no time at all with not a lot of effort required †Very Happy
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PostPosted: Wed Oct 28, 2020 10:29    Post subject: Google Ads keep this community free to join!


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jejoenje



Joined: 20 Aug 2016
Posts: 726
Location: Alloa, Scotland

PostPosted: Fri Oct 30, 2020 13:14    Post subject: Reply with quote

Interesting, useful info Mark.  thumbright

In your view, having done a few of them, can the top seals be done with the pump in place? Just for future reference...
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mark3



Joined: 29 Nov 2009
Posts: 881
Location: Rainham Village, Essex

PostPosted: Sat Oct 31, 2020 10:51    Post subject: Reply with quote

Yes the top casing seal and the throttle spindle seal can be done with it in situ, that said I never had any luck doing them, two attempts and on both occasions the pump lost all throttle response and for the life of me I couldn't see why, on both occasions I replaced the pump at my cost and needless to say didn't attempt it again lol
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