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1993 Buick Lesabre transmission fluid mixing with radiator

Tiny
LITTLE JOHN 222
  • MEMBER
  • 1993 BUICK LESABRE
Engine Cooling problem
1993 Buick Lesabre 6 cyl Front Wheel Drive Automatic

There is transmission fluid in my radiator and overflow. The radiator has been replaced but the problem continues. What could it be and how do I fix it?
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Friday, May 28th, 2010 AT 10:46 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Trans fluid is sent to radiator (in an enclosed system) to cool it and return to trans.

Changing the radiator should have fixed it.

Drain and flush cooling system, there may have been some residual flud in radiator.
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Thursday, June 3rd, 2010 AT 8:34 AM

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