I have a vibration when in drive while holding the car still at a stop light on Chevrolet Trailblazer

Average mileage: 130,798 (150–234,565)
Drive Trains affected: 2WD, 4WD
7 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008
160 people reported this problem
88 people shared problem details
Vehicle vibrates when in drive while stopped at a stoplight. Vibration stops if vehicle is placed in neutral or park
2005 Trailblazer: For the past 1 ½ years it has made a loud vibrating noise that no one has been able to identify. It is not a valve and apparently not the motor mounts. When I come to a stop and the engine is engaged, it loudly vibrates. When I put it in neutral or park, it quiets down. It seems worse if I am on even a slight incline. Neither our mechanic or the dealership have figured out what it is. The dealership would LOVE to figure it out by fixing everything that isn't broken first.
2002 Chevrolet Trailblazer- 2WD132,000
Vibrating noise coming from engine while sitting at light. Stops if I hit the gas and hold the brake at the same time. I just had the engine/transmission mounts replaced and this did not solve the problem!
Check engine light would come on for a while then go off. It finally stayed on all the time. The engine vibrates when idling in gear, but no vibration at all when I put it in park or neutral. The vibration was worse when the a/c was on. I replaced the a/c idler pully but still vibrates. No driving issues and rpms arent affected. Took it to autozone to let them diagnose it but they couldnt get a reading. I've had a few people tell me it could be the 02 sensors but I wanted to get more feedback before I try to replace it.
Rough vibration when in drive at a stop light. Once in neutral it's not as rough
I experienced this problem. Had a dealership look at it several times and told me I was crazy. Basically, when sitting at idle while in drive the engine would rattle as if a rough idle. I started taking my vehicles to a smaller repair shop. They found that my Trailblazer was 25 computer updates behind and that after updating it corrected the problem.
My trailblazer has a rough idle when at a stop light. It even turns off completely sometimes when in drive. Putting it in neutral helps a lot. My dad is a mechanic and he is even stumped.
I have a vibration when in drive while holding the car still at a stop light
the current problem is that when my 2007 chevy trailblazer is at a stop it vibrates profusely. It does not vibrate while I'm driving only while I'm at a stop and it is In Drive gear.
Vibration seems to be worse in cold weather while the engine is still cold.
Just replaced transmission motor mount and both engine mounts , had the throttle body cleaned and I still have a very bad vibration from the engine. My steering wheel shakes bad and you can feel it through the whole truck. Sometime my idle drops then revs up. I have taken it to a mechanic several times and they tell me they can not figure out why it shakes!
2002 Chevrolet Trailblazer- 2WD81,228
same problem , mts are good , trans is good , drives good .
A vibrating only early in the morning then after vehicle is warmed up it stops
Engine has severe vibration when in drive, at a stop, and cold. Take the vehicle out of gear, accelerate, or let it warm up and the problem goes away.
vibration when i stop at a light.
Found the problem! I started having this problem last week. My 05 trailblazer would jump and stutter when I was idling. It got better when I put it in park or neutral but this only helped for a day. It got worse and the check engine light came on. I had a repair done and I was told that Chevy reported issues with the seal that keeps water out of the engine. We had a huge rain storm the day the issue started and the faulty seal allowed water to pool around the spark plugs. The fix (from Chevy) was to check spark plugs and coils for signs of water damage and if there was any they needed to be replaced. I had to have multiple spark plugs and coils replaced but this DID fix the problem. They also replaced the seal to prevent this from happening again. With so many people having a similar issue I'm wondering if it is being caused by the same thing? If so I'd sure like to know how many people are affected and why Chevy isn't doing a recall for this problem.
When I put my foot on the brake and idle at a stop light my 2007 trailblazer runs rough feels like it wants to stall it does get better when the truck warms up
2002 Chevrolet Trailblazer- 2WD166,000
I replaced spark plugs and coils along w seals and my truck was back quiet w a lot less vibration. Lasted for about a year & half then after the truck slowly seems to get back to vibrating in drive when stopped and is fine when in N or Park. I believe replacing spark plugs coils and seals will restore silence once again as it worked the first time. SIMPLE MAINTENANCE
2002 Chevrolet Trailblazer- 4WD145,675
my trailblazer is crazy my temp gauge goes from 100° to 310° and after a while it goes to normal and wen that happens my check gauge light comes on and in the starts reading idle engine and engine coolant hot any body has an idea of wat this could be email me with answer at huertat69@yahoo.com please i would appropriate it
2002 Chevrolet Trailblazer- 2WD145,000
I had this. First had a fuel injection throttle body cleaning did not help. Went to another shop they replaced motor mounts that fixed it.
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