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10.0

really awful
Crashes / Fires:
0 / 2
Injuries / Deaths:
0 / 0
Average Mileage:
42,501 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.

1999 Chevrolet Blazer engine problems

engine problem

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1999 Chevrolet Blazer Owner Comments

problem #18

Jun 012006

Blazer 4WD 6-cyl

  • Automatic transmission
  • 130,000 miles

A D V E R T I S E M E N T S

The contact owns a 1999 Chevrolet Blazer. While depressing the brake pedal at 5 mph, the vehicle surged forward without warning. The mechanic was unable to diagnose the cause of failure. The contact stated that she experienced the same failure immediately after leaving the mechanic. The vehicle was taken to another mechanic who stated that the multi-port fuel injection system needed to be replaced. He replaced the part, but the failure continued. The mechanic stated that the vehicle may need to have its spark plugs replaced or cleaned. The spark plugs have not been replaced. Approximately three days later, the vehicle failed to start. The mechanic stated that the multi-port fuel injection was defective and replaced the unit, but the failure continued. The vehicle surged forward and became increasingly worse. The current mileage is 150,000 and failure mileage was 130,000.

- Wells, ME, USA

problem #17

Oct 152004

Blazer 4WD 6-cyl

  • Automatic transmission
  • 66,628 miles
During maintenance, owner noticed coolant getting dirty. Had it flushed four times. Heater quit working after first flush. Brownish-gray sludge was blocking the heater core. Mechanic stated it was due to a small leak in the intake manifold gasket causing small amounts of dirty air and oil to mix with coolant. Since having gasket replaced, coolant has not gotten dirty again. Vortec engines 1999-2003 were prone to this gasket failure. Dexcool doesn't mix well with dirt or oil.

- Sioux Falls, SD, USA

problem #16

Nov 262006

Blazer 4WD 6-cyl

  • Automatic transmission
  • 85,025 miles
: the contact stated an oil leak was noticed and the vehicle was first taken to a service dealer, then to an independent mechanic. The problem was identified as a failed oil cooler line and "O" rings. The line and ring was replaced. The replacement parts were not the issue as much as the engineering causing expensive labor costs for a small part to be replaced. The manufacturer was not contacted.

- Richmond, VA, USA

problem #15

Aug 052006

Blazer 4WD 6-cyl

  • Automatic transmission
  • 68,000 miles

A D V E R T I S E M E N T S

I had valve noise and took to local dealer to check. Dealer called and told me it needed a valve job. After the valve job dealer told me there was noise in lower part of engine and thought the motor needed to be replaced. This 1999 Blazer has 68,000 miles on it. I feel GM should cover part of this expense. Dealer would not help with this.

- Waterloo, IA, USA

problem #14

Nov 242004

Blazer

  • Automatic transmission
  • 70,000 miles
While driving 45 mph engine failed and security light stayed on.

- Charlton, MA, USA

problem #13

Mar 172004

Blazer 4WD 6-cyl

  • Automatic transmission
  • 58,000 miles
I discovered oil leaking from my 99 Chevy Blazer recently. I took it to my local independent mechanic and they informed me that I have two faulty oil cooling lines that must be replaced. Upon further investigation, I have discovered though several local dealerships and several internet web sites, that this is a very very common problem with 99 Chevy Blazer. I contacted GM customer service but they told me there is no current recall for this defect. Since this is such a common problem and costs several hundred dollars in repair to remedy, I would like to petition this for a manufacturers recall.

- Washington, PA, USA

problem #12

Sep 062003

Blazer

  • 80,000 miles

A D V E R T I S E M E N T S

The vehicle stalled and then caught fire. The fire department extinguished the fire.

- Cincinnati, OH, USA

problem #11

Jun 242003

Blazer

  • miles
Consumer states that while driving engine check light would come on. Dealer notified.

- Twin Peaks, CA, USA

problem #10

Jun 162003

Blazer

  • 65,000 miles
Transmission valve is sticking which causes the check engine light to come on. Dealer notified.

- Sparta, IL, USA

problem #9

Feb 152003

Blazer

  • miles
The vehicle stalled without warning, which caused the consumer to pull over abruptly.

- Tacoma, WA, USA

problem #8

Apr 252003

Blazer

  • miles

A D V E R T I S E M E N T S

While driving, the vehicle stalled and caught on fire.

- Englewood, CO, USA

problem #7

Feb 142003

Blazer 4WD 6-cyl

  • Automatic transmission
  • 44,298 miles
After noticing that I was loosing anifreeze in my vehicle, I recently had to replace the intake gaskets in my 1999 Chevy Blazer. It has just over 40,000 miles. After doing research, I've found out that this is a commom problem w/ the GM vehicles and that there are thousands of people who have had to spend hundreds of dollars in repairs to have this fixed. It conveniently happens just after the warrenty period has expired. This is clearly unfair to the consumer and I would like to know why GM has not been forced to correct this problem.

- Madison Township, PA, USA

problem #6

Nov 152002

Blazer 6-cyl

  • Automatic transmission
  • 45,000 miles
The vehicle experienced an oil leak. Both cooler lines were replaced. Scc

- Buffalo, NY, USA

problem #5

Jan 102003

Blazer 4WD 6-cyl

  • Automatic transmission
  • 53,069 miles
1999 Chevy Blazer suddenly dies without warning - at slow and high speed. May not restart immediately. Clock resets, and on one occasion the rear window unlatched.

- Morgan Hill, CA, USA

problem #4

Jun 012002

Blazer 4WD 6-cyl

  • Automatic transmission
  • miles
Radiator heating and cooling due to engine coolant sludges up creating problems with heater core and other parts. Have replaced parts and even added a filter but still not getting the preformance from heater as it should. Have heard from techs and complaints.com and others alot of complaints put in why no recall.

- Roscoe, PA, USA

problem #3

Mar 062002

(reported on)

Blazer

  • miles
Consumer noticed oil leaking from under vehicle. Technician servicing vehicle indicated that oil line needed to be replaced.

- C, IL, USA

problem #2

Jul 122001

(reported on)

Blazer

  • miles
Consumer stated that vehicle shut off without prior warning at stop sign and traffic light. Dealership is aware of problem.

- Maxmeados, VA, USA

problem #1

Jul 261999

Blazer

  • Automatic transmission
  • miles
Intake leaking, reseal intake, removed transmission found rear main seal leaking and oil pan gasket replaced both seals

- Pt. Charlotte, FL, USA

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