Delica Rocker Arms

Does your Mitsubishi L300 make a strange noise? Need wheel alignment specs?
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biggsy
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Delica Rocker Arms

Post by biggsy » Tue Jan 27, 2009 7:34 pm

I have a knocking noise in the lower part of my 88 Delica Exceed. I've been told it could be a rocker arm broken. I've check the rocker arms on the head and all seems to be intact. Is there a lower rocker arm? Can anyone help?

Biggsy

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EnviroImports.com
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Re: Delica Rocker Arms

Post by EnviroImports.com » Sat Jan 31, 2009 9:35 am

not likely to be a rocker arm, but I would pull your oil pan and check your crank bearings, they are normally fairly worn, I just did the ones in my landcruiser and glad I did, a fair amount of pitting in the skin of them.
DONT get them mixed up if you do pull them out to check, as you will either need a new set right away to replace them, or you will have to put them back in the EXACT same place, uppers go in the upper and lowers in the lower, DON'T get them mixed up.

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Re: Delica Rocker Arms

Post by RaddCruisers » Sat Jan 31, 2009 2:02 pm

Noel is correct about bearings - if that is the cause.

But, have you checked the adjustment of your rockers? It takes a little bit of effort to do, but it may be the source of your noise (usually a ticking or "tacking" sound). Bearings tend to be a deeper toned "tock" sound.

~John
E4 Auto Repair Ltd.
& Radd Cruisers 4WD
Duncan, BC
250 746 8977

biggsy
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Re: Delica Rocker Arms

Post by biggsy » Mon Feb 02, 2009 6:34 pm

Thanks for the feedback. I will have a look in the sump and see what I can find. Thanks again for your correspondence.

Dave

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Re: Delica Rocker Arms

Post by CVI » Mon Feb 02, 2009 10:35 pm

easiest way to diagnose engine bearing failure is to cut the oil filter open to expose filter element and look for metal fillings. If you find it, bearings are possibly gone. If none, then you're lucky. It could just pin the wrist pins or worst case piston slap.
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