Coolant loss and/or Engine Overheating Due to Leaking Water Control Valves on Cadillac Catera

The hot water control valve may develop a coolant leak resulting in engine overheating. A leaking valve should be replaced.

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Average mileage: 106,780 (62,500–150,000)
5 model years affected: 1997, 1998, 1999, 2000, more2001
16 people reported this problem
10 people shared problem details
2000 Cadillac Catera150,000
Heater control valve on back of motor is leaking. Working on fixing it.
i need to replace it, with new
Exact. Same problem
2001 Cadillac Catera126,445
Low power vaccuum leak possible? ?
Engine light on and runs hot
Yup, mine leaks like crazy too! Replacing it this weekend!
will not hold coolant for very long it overheats quickly and has to be replaced
1998 Cadillac Catera125,000
Heater Control Valve leak, leaks fast
1998 Cadillac Catera102,000
Yes, I have a water control valve leak as well. also I have a faulty EBCM. help
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