VCM Issue
11-02-2014, 05:33 PM
#1
Intermediate
Thread Starter
VCM Issue
My wife was driving for about 20 minutes in our 2014 RDX Tech. She was making a left turn when all of the sudden the car started to shake violently. There was no throttle power (the car wouldn't accelerate). The check engine light came on. She pulled over and called Acura Roadside Assistance and had the car towed to the dealership.
The dealership looked it over and said everything was ok but they decided to call the Acura Techline. The Engineer said to replace a bunch of the rocker arms. So rockers 1, 2, 3 and 4 were all replaced. Cylinder valve was adjusted to high side of spec (just writing down what the sheet says). They figured that the issue was that the VCM didn't fire up the cylinders to go back to all 6 like it was supposed to and that is why the car started shaking.
Now my wife is saying that when she is driving at highway speeds she can feel a shaking in the steering wheel, seat and in the gas pedal. I had her take it back to the dealership and they checked it out and said everything was fine.
However I noticed on the TLX Forum some people are complaining about having this issue of the shaking while driving at highway speeds.
Just curious to see if anyone else is having this issue or a similar experience.
The dealership looked it over and said everything was ok but they decided to call the Acura Techline. The Engineer said to replace a bunch of the rocker arms. So rockers 1, 2, 3 and 4 were all replaced. Cylinder valve was adjusted to high side of spec (just writing down what the sheet says). They figured that the issue was that the VCM didn't fire up the cylinders to go back to all 6 like it was supposed to and that is why the car started shaking.
Now my wife is saying that when she is driving at highway speeds she can feel a shaking in the steering wheel, seat and in the gas pedal. I had her take it back to the dealership and they checked it out and said everything was fine.
However I noticed on the TLX Forum some people are complaining about having this issue of the shaking while driving at highway speeds.
Just curious to see if anyone else is having this issue or a similar experience.
11-03-2014, 07:18 PM
#2
Drifting
I didn't have the first symptoms but mine was vibrating on the highway. I had the propeller shaft replaced and that helped some, but not totally. Last week I did a B16 (weird experience, see below) service and the car has been super smooth.
Let me explain the B16 phenomena:
The B1 light came on at around 14,000 miles and was totally expected. However, at around 14,300 miles, B1 was changed to B16 and there was a message in info center saying I need to have the B16 AWD system serviced. Then a day later, B16 reverted back to B1 and another message informed me I need to perform a B1 service. I told my service advisor about this and he suggested we change the rear differential fluid anyway (that's what the 6 means). I figured, why not, better to over service than under. After I picked my car I got on the highway and immediately noticed the vibration is basically completely gone. Am I glad I spent the extra money, yes! The vibration was driving me nutty at times and now I can just enjoy driving it without the vibration.
Let me explain the B16 phenomena:
The B1 light came on at around 14,000 miles and was totally expected. However, at around 14,300 miles, B1 was changed to B16 and there was a message in info center saying I need to have the B16 AWD system serviced. Then a day later, B16 reverted back to B1 and another message informed me I need to perform a B1 service. I told my service advisor about this and he suggested we change the rear differential fluid anyway (that's what the 6 means). I figured, why not, better to over service than under. After I picked my car I got on the highway and immediately noticed the vibration is basically completely gone. Am I glad I spent the extra money, yes! The vibration was driving me nutty at times and now I can just enjoy driving it without the vibration.
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