Question about 1986 Isuzu Trooper
I hav'nt done one one that vehicle but there all bolted up pretty much the same.Disconnect the negative cable on your battery, take off the intake piping and airbox, airflow meter etc that comes off the turbo and anything alse on the turbo side that going to get in your way.There should be an oil line bolted to the top core which is oil in (most of these are metal so try not to bend them too much, it should be a bolt going through a round metal washer type pipe called a "banjo"be mindfull of the copper washers either side as they act like the gaskets, dont lose them) an oil drain underneath which will be a larger metal pippe inserted into a rubber one, just loosen the hose clamp on it and try break the seal by twsting the hose around a little(can be abit of a ***** sometimes) and leave it on as it'll come out when you lift the turbo out. Depending if its water cooled aswell it'l have two lines that look the same as the top oil one(same goes for the copper washers) each side,these should be metal lines also.Remove the bolts from the downpipe to the exhaust(you may have to do this from underneath)You should beable to see the 4 main bolts that hold the turbo to the exhaust manifold(most of which have locking washers underneath) remove the bottom ones first as its easier to hold the weight of the turbo while undoing the top ones. The turbo should now be free of everything bar the oil return underneath, since you loosend the hose clamp and freed the pipe up it should lift out with abit of angle changing(depending on room) leaving the oil return pipe sticking up ( as its eaiser to get it back on the new turbo like this). Install in reverse order and dont forget the copper washers as oil/coolant will pour out if not used. I hope this helps as im not the fastest typer and took me a while lol.
P,S the hardest part of this work is the room you have to work with so watch you knuckles/hands. Good luck.
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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