V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

changeing radiators?

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Old Apr 10, 2003 | 11:41 AM
  #1  
ionicswing's Avatar
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From: Orangeburg SC
changeing radiators?

aprox....how long would it take to change radiators of the 3.1(mines sorda cracked at the moment hehe)????, and is there anything to lookout for????
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Old Apr 10, 2003 | 12:25 PM
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Mikes86SC's Avatar
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From: Long Island, NY
Car: 1986 IROC-Z
Engine: 5.0 TPI
Transmission: 700R4
Should be straight forward. Drain coolant, unbolt and remove upper bracket, unbolt and move fan, unbolt radiator, remove hoses, remove radiator. Installation is reverse of removal.

Just make note of where the bolts go. Some may be a slightly different length. I had a 89 Beretta GT, and someone switched radiators, but put the wrong bolt in to mount the fan. Put a nice little hole in the radiator tank.
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Old Apr 10, 2003 | 04:21 PM
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TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I agree. One more thing, and it's only because I -hate- coolant. Since you have to drain all the coolant anyway, now might be a great time to replace those upper and lower radiator hoses. They're about $15 each.

If you have an automatic trans, use a metric flare-nut wrench on the trans cooler fittings (side tank on passenger side) so as not to ruin them. You'll lose some trans fluid, don't forget to replace it with an approximate amount of NEW trans fluid. As soon as you disconnect the lower line to the trans cooler, you're going to get a gush of trans fluid from the radiator, so be ready with a rag or three.
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Old Apr 10, 2003 | 07:06 PM
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89V6FBIRD's Avatar
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
Don't lose the spring in the lower radiator hose.
While you're down there, grease your steering linkage.
And didn't someone suggest the Havoline/Texaco coolant? I think because it's orange and you can see where your radiator was rusting?
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Old Apr 10, 2003 | 07:14 PM
  #5  
1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
Originally posted by 89V6FBIRD
Don't lose the spring in the lower radiator hose.
While you're down there, grease your steering linkage.
And didn't someone suggest the Havoline/Texaco coolant? I think because it's orange and you can see where your radiator was rusting?
i believe you are refering to DexCool

i do not recomend Dex-Cool to be retro-fitted into older cars

i have seen too many cars come into the shop that were converted to DexCool

it did a number on their seals and clogged some passages

use what was designed for you car, good ole ethelyne glycol..............
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