oil cooler leak please help

oil cooler leak please help

Postby Astro Eddie [OP] » September 16th 2015, 5:12am

My 2001 astro is leaking from the oil cooler connection on the radiator both the top one and the bottom one. Now am not sure if I have to replace the fittings attached to the radiator or replace the lines. I would prefer to replace everything but money is a problem, so am trying to fix the issue spending as little as possible. Any advice is greatly appreciated and thanks in advance for the help.
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I don't know if the fittings attached to the radiator are worn-out or the lines.
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Re: oil cooler leak please help

Postby Astrofarian » September 16th 2015, 7:19am

If I recall correctly, the lines should have O-rings on the male ends that fit into the rad fittings. You should feel some resistance as the lines go in and they should spring back slightly after the retainer clips get slipped into place and locked. Take a look ; I'm sure someone will be along soon with less fuzzy info (it's been a few years since I worked on a Gen II).
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Re: oil cooler leak please help

Postby Astro Eddie [OP] » September 16th 2015, 12:50pm

I will be running to advance auto parts and ask them about the o-ring I'll keep you posted thanks
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Re: oil cooler leak please help

Postby mdconvert » September 16th 2015, 1:08pm

I have a '99 that developed a leak in the line (one of the fittings). After reading too many stories of replaced lines not lasting too long, decided to remove the lines and fitting between the oil filter and engine. It's pretty tough to replace the complete line due to the path that it is run in; very cramped. Your problem may be easier to repair than mine was, so you'll have to decide for yourself, however your line may start leaking eventually as mine did.

It's been less than a year this way, but haven't found it to be a problem.
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Re: oil cooler leak please help

Postby RECox286 » September 16th 2015, 5:44pm

Get ready to replace the O rings and the clips that hold the fittings together. No, changing the flex lines isn't difficult,

but can be somewhat tricky. Usually the flex lines develop leaks before the O rings go out to lunch. Big question:

Has any type of oil additive or any non oil frendly chemical, such as a stop leak, been added to the soup ?

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Re: oil cooler leak please help

Postby Astro Eddie [OP] » September 16th 2015, 5:55pm

Yes I did put an engine stop leak product I don't remember which.
I just drain all the oil and since I couldn't find the o-rings for the connectors I bought both oil cooler line connectors at Napa for $13.46 total am on my way home to replace them I'll keep you guys posted thanks
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Re: oil cooler leak please help

Postby Lumpy » September 16th 2015, 5:55pm

Astro Eddie wrote:I will be running to advance auto parts and ask them about the o-ring I'll keep you posted thanks


Pull one of the O rings on yours, plus the little clip thing. Take both to LAPS. You can probably find a kit of O rings of all sizes for a few bucks and that's usually more cost effective than buying two singles. They'll have the clips in the Dorman HELP! section.

Start by simply replacing those, cost maybe 5 bucks. That may resolve the entire problem. If not, it's only five bucks.


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Re: oil cooler leak please help

Postby Astrofarian » September 16th 2015, 6:17pm

Lumpy wrote:
Astro Eddie wrote:I will be running to advance auto parts and ask them about the o-ring I'll keep you posted thanks


Pull one of the O rings on yours, plus the little clip thing. Take both to LAPS. You can probably find a kit of O rings of all sizes for a few bucks and that's usually more cost effective than buying two singles. They'll have the clips in the Dorman HELP! section.

Start by simply replacing those, cost maybe 5 bucks. That may resolve the entire problem. If not, it's only five bucks.


Lump

As usual, Lumpy's right. Although it sounds like you've already bought the parts, Lumpy's suggestion is the best and cheapest potential solution.
Sorry to "Hijack" your thread here but I have a question.....do the Gen I vans have the same oil-cooler setup as the Gen II arrangement? I've had 4 Gen I vans and none of them had any kind of oil-cooler in them.
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Re: oil cooler leak please help

Postby Lumpy » September 16th 2015, 6:22pm

My 89 does not have an OEM oil cooler.


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Re: oil cooler leak please help

Postby Leeann_93 » September 16th 2015, 10:45pm

My '93 does have an oil cooler.
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Re: oil cooler leak please help

Postby smokinjoe » September 17th 2015, 2:30pm

95 has an oil cooler but different connections. Much worse connections at that. Still O ring but threaded instead of pop collars. They are really difficult to do right.
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