Hummer is leaking oil bad
My Hummer h3 is leaking oil and I am wondering if anybody has any information on common areas where oil leaks occur both skid plate's are caked in oil on the bottom. I also have standing oil on the floor took it to local oil changing place they could not find or locate the leak any information would be helpful thanks
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Originally Posted by Kkneat
(Post 333466)
My Hummer h3 is leaking oil and I am wondering if anybody has any information on common areas where oil leaks occur both skid plate's are caked in oil on the bottom. I also have standing oil on the floor took it to local oil changing place they could not find or locate the leak any information would be helpful thanks
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Loose oil filter, oil fill plug, rear main, and oil lines to the remote filter location are all possible leak spots for the I5s.
To check for leaks the best way is to clean it first. Drop the front skid plate, go to the spray wash, first apply engine cleaner and let it sit, then spray clean so you can spot where it is originating from. |
Also check the oil pan bolts. Sometimes they vibrate loose.
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Here's some of the pictures I was able to take, if anyone wants to take a look just follow the link. I think it's the oil lines where it is leaking from.
http://imgur.com/a/nQKKm |
id like to know more about oil lines? external??
as doc said ,spray clean. i did that with a leaky ford van,drove on ramps,blocked 4 wheels, locked park brake and went under with a good light and spotted a leaky pan gasket while it was running. you gotta get it CLEAN first!! |
Originally Posted by happythree
(Post 333497)
id like to know more about oil lines? external??
as doc said ,spray clean. i did that with a leaky ford van,drove on ramps,blocked 4 wheels, locked park brake and went under with a good light and spotted a leaky pan gasket while it was running. you gotta get it CLEAN first!! |
Those are transmission cooler lines that are leaking. Repaired mine 2 weeks ago. Proper way to fix is new trans lines and new fittings at the rad and transmission, but I am cheap and just did a repair. Carefully cut the crimp off the line and peel off the crimp and install new rubber line with two hose clamps. Ta-dah! My lines were rusted out on the bottom of the rad. I would look there before cutting any crimps. I used a couple pieces of 3" GM trans line repair and one fitting on the rad. Could not separate the old line from the fitting.
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Ours leaked at the trans lines going to the radiator also. Repaired if during the summer but now there is a leak again. Hopefully another quick fix.
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