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Radiator leak


laxman21
09-05-2009, 01:21 PM
Have a small leak on drivers side where the top oil cooler line goes into the radiator. Coming out from behind the black fitting locking nut.


Can this be fixed or do I need a whole new Radiator?

777stickman
09-06-2009, 11:00 AM
Is it a coolant leak or oil leak?

laxman21
09-06-2009, 12:55 PM
coolant

j cAT
09-06-2009, 03:50 PM
coolant


the driver side of the radiators crack,,,if the coolant leaks here there must be a crack...remove this connection to see if the side tank is n/g..

I have never replaced a tank on this radiator ,,,but the older vehicles this was possible and It was not expensive...compared to buying a new radiator..

some radiator shops do have the ability to use a product that can melt into the crack and repair the side tank...

Airjer_
09-06-2009, 04:00 PM
The original radiator, 10 years old, showing signs of failure, replace it!

spyder2000
09-10-2009, 10:57 AM
This is a common leak point. Buy a good quality replacement (I recommend Delphi) and replace it. Some radiator shops can replace the tanks ends but by the time you r/r the rad and pay for the repair, you've probably got almost as much money in it.

In fact I will doing an r/r on my own in two weeks.

Cusser
09-10-2009, 03:43 PM
I had my '94 sub radiator replaced last year due to a sudden, massive leak, so 14 years for GM product, had coolant change at least every two years (with complete water flush out from the Prestone-type kit), figured OK for 175K miles.

I let my mechanic have this job, charged on hour labor ($85), and new replacement radiator was about $250, so not too bad. My experience with my suburban is that most times there are multiple parts listings for a certain part, and they need to be matched up. For example, when I needed a master cylinder, the parts guy asked what size my rear brake drums were, like how the $%^&#%&&$$%^ would I know, the Sub was at home, with the wheels on !!! So I let my mechanic do that job, then I just used that part number for cross-reference to replace that years later.

kpghia
09-13-2009, 05:54 PM
laxman21-
My son and I replaced the rad in one afternoon...after 155,000 miles I owed it to the truck. About $155.00 delivered from RadiatorBarn.com. Add in upper and lower coolant hoses and new coolant, around 200. Easiest job to date. Good luck.
Kevin

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