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2003 Chevrolet Trailblazer EXT: engine knocking or ticking

5 of the 313 complaints about the 2003 Chevrolet Trailblazer EXT describe engine knocking or ticking.

owner complaints
5
of this car's complaints
2%
recalls
0
Is there a fix? 26 service bulletins cover this area of the car. See below

Engine knocking or ticking by model year

  • 2006
    3
  • 2004
    1
  • 2003
    5

What owners say

Filed May 1, 2017 · Electrical, Transmission · 80,000 miles · CA

My key will not come out of the ignition I had to unscrew and remove the bottom of my steering to push the button also all of my instrument gauge do not work including the speedometer and all gauges so I never know my temperature or fuel level, oil pressure they all are not working properly my speedometer only works sometimes. Also my engine is runny rough and I hear a vibration and ticking. My check engine light is and I'm getting code saying theres a leak in the fuel evap system. I have searched the internet and everyone has the same problems with their 2003 trailblazers. Why isn't chevrolet recalling these problems its fustrating they want several hundreds of dollars I cannot afford

Filed Mar 14, 2008 · Fuel system · 69,000 miles · GA

I recently had my fuel tank replace now I hear knocking and I understand that the fuel pump have been damage because of this. Gmc needs to look into this as a recall.

Filed Aug 31, 2007 · Engine · 56,500 miles · WI

Ticking noise under hood when engine is running. Diagnosed as leaking exhaust manifold. Bolts securing exhaust manifold broken. Repair requires removing cylinder head to remove old bolts. Cost estimated at $2,000 plus. Complaint filed with chevrolet. Claim initially denied. Continue to ask for assistance. Vehicle is located at trecek chev in portage wisconsin and is available for inspection.

Filed May 11, 2006 · Electrical, Fuel system · CA

2003 chevy trailblazer blew a few fuses so I could not start the vehicle (several times already), per dealer. Tachometer jumps around, radio gets hot, electrical lights turn off along with heater/cooler, rear lights replaced three times, hole in gas tank, drive line replaced, constant chirping/ticking noise (of course dealer does not hear). Purchased brand new and have way too many problems for a new vehicle. You asked for incident date....there are several. Will stick to toyota's from now on....

Filed Mar 12, 2006 · Body · 44,306 miles · MI · 1 injury

Awful, awful safety hazard on my 2003 trailblazer!!!!!the hatch back/lift gate won't open - tailgate window explodes in the mechanics face knocking him to the ground. Representatives from gm and from the dealership deny that this has happened in any other 2003 trailblazers. That is a lie!!!! See other complaints on this very website. Complaint #10121982, also complaint #10150063, and complaint #10075392. Then check out complaint #10038988, #10075392 and #10061979 regarding the hatchback tailgate breakdowns. Complaint #10121982 tells of a child that is injured by the exploding glass in the tailgate. Remember the double sided tape that the dealership tells me that gm uses to hold on the high mount stop light and trim??? In complaint #10038988 the complainant was also told about the double sided tape. Are you investigating this problem????? I am driving a very unsafe car and I will fight until I get some action. I have been without a car now for 10 days. The dealership insisted that we turn this claim into my insurance. $2,650 claim for what the dealership said would cost $25. The dealers body shop also explained that the high mount stop light and trim are attached with double face tape and if they come loose they bind inside the hatchback. I don't feel it is my insurance company's responsibility to pay for something the dealer caused. This is a very dangerous problem created by cheverolet's poor design. Why haven't they done a recall on this. There are numerous other complaints about the same hatchback failure. The glass could explode on me on my grandkids or another mechanic. I will be nervous everytime I open that hatchback and I will never, never buy a general motors car again. The dealership treated my husband and I terribly. They knew they had the upper hand in the situation and they knew there was nothing we could do.

Questions about the 2003 Chevrolet Trailblazer EXT knocking

Is engine knocking or ticking a common problem on the 2003 Chevrolet Trailblazer EXT?

5 of 313 owner complaints about the 2003 Chevrolet Trailblazer EXT (2%) mention engine knocking or ticking. The model year with the most reports is 2003.

Is there a recall or service bulletin for this on the 2003 Chevrolet Trailblazer EXT?

There are 0 recalls and 26 service bulletins for the same area of the car. Check them below with your VIN.

Other symptoms on the 2003 Chevrolet Trailblazer EXT

Fuel leak 36Check engine light 25Fuel smell 24Fuel gauge 21Fuel pump 17Headlights 10Grinding brakes 9Door locks 9Transmission failure 8Wipers 8Loss of power 7Fire or smoke 6Won't start 6Ball joint 5

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