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There is a long steel tube that runs from the heater core to the engine. This tube tends to rust through in which case you should replace it. The tube itself is not that expensive, but it's tricky to replace. You'll need to remove the alternator and the dog bone engine mounts. Rock the engine as far forward as possible and replace the tube. Russtech67
What else can I help you with?
Why is oil pouring out of your 1997 Buick Regal?
You have an oil leak.
What causes a coolant antifreeze leak in a 1996 Buick Regal?
hi
Why is coolant going on windshield of 88 Buick regal?
possible leak in heater core.
Why would engine oil leak into the radiator of a 1999 buick regal?
head gasket may need to be replaced
How do you tell if leaking antifreeze is coming from the engine or the radiator on a 1996 Buick Regal 3.8 engine?
Pressure test system to observe leak
What causes 1992 buick regal to shut off as you come to stop?
Perhaps a vacuum leak check power brake booster and check valve at booster
Buick century water drain?
if your talking rad drain I just unbuckled the bottom hose and let it leak.... Gave he a flush
Why does the power steering fluid in a 1985 Buick Century leak when you put it in?
The most obvious answer would be a broken hose which need to be checked.
1990 probe Coolant leak front of motor?
sounds like either the thermostat housing or hose connection.
What makes a motor shake shake when stopped at a light in a 1994 Ford Explorer?
could be a vacuum hose leak--had the same problem and once the hose was replaced it stopped.
Have Antifreeze leaking from rear of motor on 96 blazer what could it be and where is it located?
Either a heater hose or a leak at the intake manifold
How do you refill the AC on 2000 Buick Regal?
Unscrew cap near center of firewall. Screw on ac refill can & follow directions on can. Suggest you use refill with a leak sealer additive.
