ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Discussion Forum => Technical Discussion - Beginner / Repair => Topic started by: JesseWSmith on October 08, 2010, 04:00:09 PM
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I have 1.3 1988 sammy engine. Cylinder #2 detonated? and burnt a hole in piston. I had to beat the piston pin out-unbelievable amount of effort. Got a new piston and pin-how hard should it be to fit the piston pin into the connecting rod? Could the connecting rod be bad-out of round due to hole in piston (heat) with regards to the piston pin clearance? Is the connecting rod/piston pin a press fit or have the same clearance as between the piston pin and the new piston-which is snug but not a 'beat it in fit'.
Thanks a ton folks for the input. Would not have gotten this far without the folks on this board.
Jesse 865.228.8794
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Press fit or slip fit are both ways of fitting a piston pin, Suzuki uses a slip fit
and keepers to prevent the pin from moving out and scoring the cylinder.
If you had a failure of that sort, you should at least have the rod rebushed,
or just get a rebuilt one, but the fit should not be pound in or press fit.
Instead of keepers, some engines will use nylon buttons for retainers, but
it shouldn't be needed for your engine.
BTW how did you burn a hole in the piston??? Sounds like way too much
advance, super crappy gas causing ping, or do you have a turbo secret you
want to tell us???
Wild
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Got the truck in this condition. Went something like, "get a weber, it will fix it-never could get it to run right" Turns out no compression in cylinder 2, hence the rebuild. There were no keepers on the piston pin-I am used to seeing those. I am now wondering if a machinist can fix this connecting rod or where to find a new/used one. Parts dinosaur said he had no source and he could not find one. He has been at this much longer than I. Is there a source for 1988 connecting rods?
Wild, I greatly appreciate your help, thanks a ton. Should I post a request for "anyone got a connecting rod?"
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Thats a good idea, do it in the classifieds here. OR, any machinist worth his salt can rebush a rod as long as he has the specs and reamer. Either way your gonna need parts. There are also vendors Like Trail Tough and Lowrange that are forum supporters who may be able to find the parts you need. Good Luck, shouldn't be too hard a job.
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I got my rods resized and bushed for $10 ea. , got to wonder about some machinists
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If you want to replace it go here, just pulled this up from a quick search
http://www.rpmrons.com/SuzukiRods.html (http://www.rpmrons.com/SuzukiRods.html)
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Press fit or slip fit are both ways of fitting a piston pin, Suzuki uses a slip fit
and keepers to prevent the pin from moving out and scoring the cylinder.
That might depend on the engine - for example the 8v SOHC 1.3 in my Swift GLX (basically the same engine used in Samurai) does not use circlips, but the twincam version of the same engine, as used in a Swift GT does.