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Radiator Replacement


jrbueiz
08-11-2008, 03:34 PM
'99 Tahoe - 4WD

For those of you who have replaced a radiator before; Do I need to do anything special with the oil (oil) cooler, transmission (fluid) cooler pipe lines?

If so, what's a good method for plugging up the lines while inwork?

Also, does anyone know if there are benefits to installing a "Heavy Duty" radiator, AND whether or not it would fit comfortably in the stock location? I'm grabbing one from Autozone with Lifetime Warranty. Here are their dimensions:

Heavy Duty:
2 row, 34" X 17 1/4" X 2 1/4"

Regular:
1 row, 34" X 17 1/4" X 1 1/4"

The difference between the two is approx. $30.

exwldr
08-12-2008, 01:48 AM
measure and see i you have the space to accomadate the extra 1" thickness remember the fan shroud will be moved back also & you still need room for ac condenser & oil cooler. fan blades may be a clearance issue!!if not then go with the heavy duty . my '96 tahoe has it as a factory option, definately worth the extra bucks,a loaded 5.7L 4x4 can never run cool enough. exwldr

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