radiator fan not kicking in unless car is moving 35 mph...why and how do i fix this...whats $$$

Asked by Jan 20, 2016 at 10:00 AM about the 2002 Buick Rendezvous CXL AWD

Question type: Maintenance & Repair

Car is 2002 Buick Rendevous CXL

2 Answers

105,295

Very good question, it would be hard to give an estimate without finding out why it is doing what is causing the condition, but the first thing to check would be the coolant level then proceed on.

5,365

The fan does not run as a function of speed. It runs if the coolant temp gets too high. Curious that you think yours is coming on at a speed when the engine should have sufficient air flow without the fan to keep things sufficiently cool. Try checking your thermostat and the engine temp sensor that actually controls the fan operation.

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