why overheating

25

Asked by May 10, 2008 at 06:08 AM about the 1986 Volkswagen Cabriolet

Question type: Maintenance & Repair

cr overheats when temp outside reaches 70 degrees. removed thermostst, full of water. runs fine, overheats and stalls sputters and runs like crap. is head gasket gone?

4 Answers

48,345

See other post. You need to do a cooling system pressure test to determine head gasket failure, or a compression test on each cylinder.

85

Could be a clogged Radiator, or the engine block could have a blockage somewhere. Take the Tstat completely out and drive without it. Is the coolant clean or rust colored? Also, does the heat work?

2 people found this helpful.
10

my has the same problem and no the heat doesn't work.

1 people found this helpful.
10

My Tech replaced the stock fan motor with a more powerful one that eliminated the overheating problem

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