NHTSA — Engine And Engine Cooling: Cooling System Problems


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2001 Pontiac Aztek cooling system problems

cooling system problem

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2001 Pontiac Aztek Owner Comments

problem #2

Oct 132010


  • miles


Purchased the Pontiac 2001 Aztek from a dealer used. The first week the check engine light came on. Second week the service vehicle light came on and the thermometer gauge was stuck in cold, took the car to checkers autoparts to diagnose. Was a bad thermostat. Another week later the engine started overheating. Stopped checked coolant. Was gone out of the reservoir, which I just had filled at jiffy lube that morning. Stopped by them again, they checked the liquids, found coolant mixed in with the oil. Advised not to continue driving the vehicle since it can mess up the engine. Called dealer and had them tow it. They have been working on it for the past 4 days. Stated that it was the intake manifold gasket. Wondering if this vehicle is safe after reading several complaints regarding it. And also if Pontiac would fix it.

- North Salt Lake, UT, USA

problem #1

Nov 102005

Aztek 6-cyl

  • Automatic transmission
  • miles
Bought 2001 aztec because I had always liked the design. Had car for four months and brakes were squealing. Took back to dealership and was told they needed cleaning. Didn't help. Took back and then they wanted to replace the pads, which they said weren't original GM pads(even though they were inspected before I bought it) and I would have to pay because that wasn't covered by warranty. Took it 2 service center outside of dealership and brake pads were fine just emitted a lot of brake dust they both said. Head lights somewhat flicker when driving. Dual climate control passenger side light on temp went out. On taillights the finish is coming off(a common problem for these vehicles being cheap grade plastic). The driver side window button sometimes doesn't work and the entire unit fell through and had to get inside of door to push it back through to get window up because it was raining(another problem a lot of people have).it seems these vehicles have defective gas gauges. Mine went out after marathon gas had bad gas and the company had to replace everyone's sensors. I don't think it was the gas. The gas gauge always moves up and down still and when idling goes down. The ses light comes on and the car temp goes out. Had it diagnosed and the comp said temp control modulator plug was dirty. Had plug cleaned and remedied problem. 2 weeks later the same happened again and 5 min after the ses light came on the check engine soon light came on. Now both lights are on and this vehicle never has nothing going right.

- Louisville, KY, USA

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