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margorilla's Garage


1997 Pontiac Grand Prix GT 4dr Sedan



Questions & Answers

Mechanic Q: What is the life span of a thermostat??

1997 Grand Prix - V6 - 3.8L - 160k miles. Had thermostat replaced on 1/27/2010. Recently (4/1/11) took car to Midas for oil change and inspection and was told that the water pump was leaking and car needed tune-up. I was told over the phone that the thermostat also needed to be replaced b/c of the leaky water pump. I informed them that it was just replaced 15 mos. ago. Anyways, they did replace the thermostat and I am trying to confirm whether or not this sounds logical with regards to the defective water pump. Thank you! Margorilla

A: What is the life span of a thermostat??

Thank you, Elizabeth. Just to be more specific since I believe my message was not very clear. The water pump was not previously replaced. I was concerned about the average life span of a thermostat and wondered if a leaking water pump would affect the thermostat. However, you have answered my question, thanks. FYI - It cost approx. $110 for the thermostat (labor & part) and they replaced the water pump, as well. This is the third thermostat in just over three (3) years. I took the car in for an oil change and asked for an inspection, as well. The invoice that I signed when the car was first taken in was filled out by the cashier and she apparently checked DO NOT RETURN PARTS (after the fact) as I would have requested if I knew they were going to do further service. I was not made aware of this, or I would not have signed it. It is also a policy at MIDAS that...QUOTE: "Any parts with a core value that are returned to the customer will result in an additional charge." What is that about?

Q: What is the life span of a thermostat??

V6 - 3.8L - 160k miles. Had thermostat replaced on 1/27/2010. Recently took car to Midas for oil change and inspection and was told that the water pump was leaking and car needed tune-up. I was told over the phone that the thermostat also needed to be replaced b/c of the leaky water pump. I informed them that it was just replaced 15 mos. ago. Anyways, they did replace the thermostat and I am trying to confirm whether or not this sounds logical with regards to the defective water pump. Thank you! Margorilla