NHTSA — Engine And Engine Cooling: Exhaust System: Manifold/Header/Muffler/Tail Pipe Problems


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
56,262 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 exhaust system problems

exhaust system problem

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2001 Pontiac Aztek Owner Comments

problem #5

Mar 312008

Aztek 6-cyl

  • Automatic transmission
  • 89,575 miles


The contact owns a 2001 Pontiac Aztek. While the vehicle was receiving a free oil change, the contact was informed that the intake manifold was leaking antifreeze into the engine. General Motors advised him to take his vehicle to a Pontiac dealer. The dealer stated that they could not work on the vehicle through the warranty and advised the contact to take his vehicle to another dealer. General Motors stated that they would repair the vehicle under warranty, but later changed there mind. The reference number from General Motors was 71-616597877. The purchase date was unknown. The current mileage was 89,595 and failure mileage was 89,575.

- Zephyr Hills, FL, USA

problem #4

Mar 032007

Aztek 6-cyl

  • Automatic transmission
  • miles
I was finding antifreeze in my oil. Took to the shop and had to have the intake gasket and the manifold gasket replaced. Also had to have a new thermostat and pvc valve. It cost almost $900. This is not the only problems have had to have the front wheel bearings replaced 2 times and brake shoes 2 times. Also had to have the heater fixed. Now the ac does not work. Had to have the window control unit replaced on the driver side. Had to have computer components replaced because the battery went bad with no notice. And now the windshield wipers do not work. To fix this problem is going to cost me $200 that is just for the whole motor and connecting rods. Because it is a factory only part. All together I have paid almost $2,000. The ac is the condenser which is another $300. I have had and loved GM vehicles for awhile. But this kind of thing has never been a problem.....something has got to be done.

- Woodward, OK, USA

problem #3

Feb 022005

Aztek 6-cyl

  • Automatic transmission
  • 79,500 miles
Coolant leak on Pontiac 2001 Aztek. The lower intake manifold gasket failed. I did not have an accident, but it could have seized the engine with out warning. The low coolant warning never came on even after I was one gallon low. Dealer replaced gasket for cost of $730. Pontiac would not help with pricing. I did a web search and found a tsb on the gasket where GM/Pontiac aknowledges the problem. I am also a member of aztekfanclub.com and other memebers have had the same problem and have had Pontiac help cover the cost of the repair.

- Wallingford, CT, USA

problem #2

Dec 212004

Aztek 6-cyl

  • Automatic transmission
  • 56,236 miles
Failure of upper and lower intake manifold gaskets on GM manufactured 3.4L V6 engine. Gaskets replaced at expense of owner.

- St. Joseph, IL, USA

problem #1

Aug 152004

Aztek 6-cyl

  • Automatic transmission
  • 56,000 miles
Transmission failed at 56000 miles no indication of any problems, just started making noise all of a sdden. Took it to dealer got $3900 estimate for transmission intake manifold & driveshaft.

- East Stroudsburg, PA, USA

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