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fairly significant
Typical Repair Cost:
Average Mileage:
92,129 miles
Total Complaints:
6 complaints

Most Common Solutions:

  1. replaced intake manifold gasket (4 reports)
  2. not sure (1 reports)
  3. stop making lousy cars (1 reports)
2000 Chevrolet Blazer engine problems

engine problem

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2000 Chevrolet Blazer Owner Comments

problem #6

Oct 012009

Blazer 4.3L

  • Automatic transmission
  • 80,000 miles


Replaced Intake Manifold Gasket myself, Serious pain in the ass, was all the stuff on the disassemble. Before I started, the truck was leaking real bad , running rough, real bad hesitation, etc, etc. The factory had and still has a problem with the gasket on the 4.3L, we found out about an upgrade on the internet and put that in. through more research we found out that you can not just use any old Anti-freeze because it will attack the gasket. I changed the COIL, yes the coil, on GM's suggestion that the coil is worth crap after 50000 miles. Replaced Distributor, Plugs, Oil Pump, New Belt. The Truck runs 100% Better, My guess, by the steps we took, the truck was not running well untill we changed the Coil, I Still don't think it is running perfect, so I am going after the fuel system next, Hope that helps too. Also FYI, The Distributor for the 4.3L is also used for 8 cylinders, because after all the4.3 is an 8 cyl. with 2 cylinders cut off

- , Northford, CT, USA

problem #5

May 182009

Blazer LS 4.3L V6

  • Automatic transmission
  • 88,773 miles

brought my blazer in for an oil change and was told my intake gaskets were rotting away,told if I didnt have fixed would have more problems down the road,their wasnt any indication that I had a problem ,no over heating,nothing they replaced gasket set installed a new thermostat and filled with coolant,well that was a whoppin $444.33 I wasnt planning on spending,I more or less had to take their word for it cause I dont know whats under the hood

- , Wendell, NC, USA

problem #4

Oct 062007

(reported on)

Blazer LX 3.2L V6

  • Automatic transmission
  • 101,000 miles

sounds like ticking in the engine. oils is like sludge, heat doesn't work, cooling system is leaking into oil pan I think. can't get it to stop knocking, value for trade in has dropped below half the resale price.

- , Mechanicsburg, PA, USA

problem #3

Oct 162006

(reported on)


  • 155,000 miles


blazers are a time bomb

- , Roanoke, VA, USA

problem #2

Jan 262007

(reported on)

Blazer LX V6

  • Automatic transmission
  • 78,000 miles

I took my truck to the dealer to find out what the whining under my hood was and the crunch under my truck and they told me that in addition to needing a new transmission, ball joints, and sway arms, I also needed the upper intake manifold gasket replaced. Owner BEWARE!! When the dealership replaced the gasket they managed to clog the heater core and returned my vehicle to me with no heat. I'm currently fighting them because I don't feel like I should have to pay for it.

- , Hagerstown, MD, USA

problem #1

Jan 162005

(reported on)


  • 50,000 miles

Not only did it leak. I had to pay for a Bilstein flush and cooling system flush. What a lousy made car. This is the worse auto I have ever owned. problem after problem after problem. I will never own a GMC product again. I spen more on theis new Blazer than I did on my 1989 Blazer with 165000 miles!!!!

- , Virginia Beach, VA, USA

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