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hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
49,026 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.

2002 Chevrolet Impala cooling system problems

cooling system problem

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2002 Chevrolet Impala Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #4

Sep 082005


  • miles


Around 58K miles the low coolant light came on and I was informed that there is a slight leak around the intake manifold gasket. This was a common problem due to the dex-cool antifreeze that is used. I have contacted the dealer and they won't do anything for me, and the cost would be around $700 to repair. I've been nursing this issue for several months as the leak was slight, however now it is greater and must be dealt with. I have gotten nowhere with the dealers and will have to repair it and bear the cost.

- Vandalia, OH, USA

problem #3

Sep 152003

Impala 6-cyl

  • Automatic transmission
  • 47,000 miles
2002 Chevrolet Impala, coolant light has been on for 2 years. Took it to a dealership when it first came on, only to be informed that it was a "corrosion problem" which was not covered by my bumper to bumper warantee. Now I discovered that GM's choice of dex-cool antifreeze is very well known to cause corrosion problems, and there are a myriad of consumer complaints about dex-cool destroying head and intake gaskets as well! I expect GM to make good on a problem that they themselves caused, instead of their to-date snively policy of passing the buck back to the consumer. (in short, if this issue is not resolved to my satisfaction in a timely manner, I will never buy a GM product ever again!)

- Wheatfield, IN, USA

problem #2

Nov 102004

Impala 6-cyl

  • Automatic transmission
  • 46,300 miles
Engine coolant has turned brown and clogged up the cooling system. I have been told this is a problem with the type of coolant being used in new vehicles. I have been refered to have my engine flushed and that GM will not stand up for the repairs.

- Sherwood, AR, USA

problem #1

Aug 192002


  • miles
While checking cooling system noticed a build up of brown stuff on radiator cap, and brown water at radiator top. Cooling liquid breaks down and clogs up radiator/ heater core and engine. Dealer has been contacted.

- Baltimore, MD, USA

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