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Isuzu Trooper: Engine Oil Leaks

10 messages,  Last post on Jan 25, 2009 at 12:33 PM

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#3 of 10 oil leak by rrandy Feb 13, 2007 (8:59 am)
i own a 1990 trooper, 2.8 v-6, there is oil leaking from the top,rear,slightly to the passenger side of the engine. you can see clean oil running down the side of the bell housing. what is back there, oil sending unit? i cant see, it does not appear to be the distributor shaft, i can see it. help. Replies to this message: atfdmike (Feb 16, 2007 7:01 am)
#4 of 10 Re: oil leak [rrandy] by atfdmike Feb 16, 2007 (7:01 am)
Replying to: rrandy (Feb 13, 2007 8:59 am) Link to Engine Compartment Component Locations.    http://www.carspace.com/atfdmike/Albums/trooper/90%20isuzu.gif/page/photo.html#p- ic   You may just have a rocker cover gasket leak. If you have adjusted the timing by rotating the distributor, the gasket there may be bad(cracked,leaking) Pretty common problems. good luck
#5 of 10 oil cooler hose? by trooperman1 Nov 10, 2008 (5:06 pm)
i have an awful leak from what i believe to be an oil cooler hose. it is very difficult to see this hose at the block. i've read that this is a very difficult part to find. honestly, how necessary is the cooling? it seems very possible to remedy this with fittings etc... 2.8 v6 1990 Replies to this message: atfdmike (Nov 11, 2008 4:50 am)
#6 of 10 Re: oil cooler hose? [trooperman1] by atfdmike Nov 11, 2008 (4:50 am)
Replying to: trooperman1 (Nov 10, 2008 5:06 pm) If you have a remote filter that is not mounted on the adapter on your 2.8 you won't be able to reroute the lines. If you are sure it is just the cooler, then I suppose you could "reroute" , but oil life could be affected. The GM adapter, while difficult to get to the bolt that holds the manifold to the adapter, is pretty simple, with a couple of O rings and a flat gasket (If I recall correctly). Worst part is the long extension needed to reach the bolt from the front. HTH One guys opinion.
#7 of 10 oil cooler & hoses bad by cmartman46 Nov 16, 2008 (5:41 pm)
I have a 1990 Trooper 2 4 door V6 4x4..My oil cooler developed a couple of cracks with leaks.I would like to remove and plug off the oil lines at the engine,Does any body have any info on what fittings I would need to plug off this system?.
#8 of 10 1991 Isuzu Trooper 2.8 by bsw1 Jan 25, 2009 (9:26 am)
Hello everyone   I have a oil leak that is on the drivers side of the engine near the front..I cannot find its location of the leak It is Not valvecover, not oil pan.not oil filter .it begins to drip once the car is started for a few moments..i have read it could be the oil cooler hoses? where are they located? it is hard to determine the location. Is their a diagram of the cooler hoses? any other possibilities?any suggestions would be helpful Thanks everyone Roelof Replies to this message: bsw1 (Jan 25, 2009 11:13 am) cmartman46 (Jan 25, 2009 12:33 pm)
#9 of 10 Re: 1991 Isuzu Trooper 2.8 [bsw1] by bsw1 Jan 25, 2009 (11:13 am)
Replying to: bsw1 (Jan 25, 2009 9:26 am) one more thing..it is NOT Tranny oil..it is regular engine oil Thanks Replies to this message: cmartman46 (Jan 25, 2009 12:33 pm)
#10 of 10 Re: 1991 Isuzu Trooper 2.8 [bsw1] by cmartman46 Jan 25, 2009 (12:33 pm)
Replying to: bsw1 (Jan 25, 2009 11:13 am) I am sure an oil cooler does offer some extended engine life to some point if exposed to brutal enviroments, but it can also leave you stranded with no means of a quick fix. I once had a hose chaff on metal and busted draining almost all the engine oil. I just happened to notice smoke which was burning on the exhaust to stop in time. The two hoses run from the side of an adapted oil filter housing connected to aluminum fittings which are routed through the oil cooler in the grill to the drivers side. It is very hard to get to the connections at the oil filter housing with limited view. Remove the left front tire,unbolt and move power streeing pump out of the way to gain access. Use a good drop light to see your work. I removed my hoses and brought them to Napa Auto store to repair them. $34.00 a piece to fix. Hope this helps! Good luck!

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