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What causes a 1992 Saturn SL1 to have a high idle and overheat even though the thermostat and water pump have been replaced?
Wiki User
∙ 12y ago
I had the same probl;em on my 1996 SL1. I found the bypass tube from the head to the reservoir was clogged and would not let water return to the reservoir. When I unclogged the line the overheating went away. I also had replaced the water pump and thermostat before without any luck. The clogged line was the culprit.
Wiki User
∙ 12y ago
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