Main bearings or whole new engine?

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Main bearings or whole new engine?

Post by chrisstonefilm on Wed Oct 02, 2013 3:09 pm

Hi, I recently purchased a 2001 Hijet and on a voyage from Leeds down to Sussex the oil light came on so I pulled over to fill it up and noticed it rattling hard. After a call to RAC and trip from Leicester to Brighton on the back of one their vans it is now sitting waiting to be fixed. I have had a family mechanic have a look at it and he found there to be a fair amount of white metal and reckons its a problem with the main bearings. After putting more oil in, the light went off but cam back on shortly and started rattling again so now in a predicament as we don't know how much damage this oil problem has done. Is it worth replacing the main bearings and hoping for the best or just bite the bullet and do a whole engine over hall?

Any advice would be greatly appreciated

Chris Smile
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Re: Main bearings or whole new engine?

Post by HighlyJetted on Wed Oct 02, 2013 3:37 pm

Hi Chirs,

I have never heard, read or seen a H series engine that has a failed bottom end.

But that doesn't mean it won't happen.

What has appeared a few times is top end failure like this:-

http://hijet.findtalk.biz/t1864-collisions

I would find a decent second hand engine,

But tread carefully as every scrap yard always says "good runner, 40 thousand miles on the clock mate"

Until you take it to bits, you won't know whats wrong with it.

If the bottom end has failed, at least you can get a crank ground and new shells.

If its chewed the cam like the link above, the head is scrap.
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Re: Main bearings or whole new engine?

Post by chrisstonefilm on Wed Oct 02, 2013 4:06 pm

Hi HighlyJetted

Cheers for the advice.

I have talked to a few people now who have said it will be cheaper/easier to just replace the whole engine. Have you got any recommendations on where is best to look for a second hand H series engine?
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