My 1998 chevy truck 1500 vibrates so bad when i stop or when idle
It so far doesn't vibrate when the truck is moving it seem to be vibrate real bad when i stop at stop signs ect it not asbad just worming up but asoon as it's warmed up then it's the hole truck vibrates bad .
Re: my 1998 chevy truck 1500 vibrates so bad when i stop...
You left out a lot of needed information but I will try to help out.
You can pull the spark plug wires off one by one while the engine is running to see if you have one or more cylinders are not firing. Depending on how long it has been I would do a tune-up first, replace spark plugs and wires, filters, fluids etc.
With that done and if all cylinders are firing pull the transmission dip stick and look at the fluid, I am assuming you have an automatic tranny. The fluid should be a light red, if it is brownish and has a burnt smell then you could have a problem with the clutches inside your transmission which can cause this same problem.
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Great question. Well written. Easy to understand, (unlike many others we get) This is a pretty well laid out problem for a specific fixya expert with expertise on that model car. That may require a detailed answer. But you have come in as Anonymous person. I thing you would get a better response if you had a real name.
From my experience, I know I prefer to leave anonymous people unanswered.
Wow thats a bunch of miles for only 9 yrs. I would want to know if it is something related to the engine or transmission, or the wheels and suspension. Does it happen in all gears, and at any road speed ? Can you rev up the engine and make the vibration, or does the car have to be moving ?
you have an issue with a front tire more than likely. or could be the front rotor. I would bet my last breath its' tire or break/rotor related. Maybe even a wheel bearing but it usually doesn't cause vibration in steering wheel.
No the idle issue is not the TPS, it is a sludged up throttle valve and automatic idle speed control air bypass valve. The procedure below should cure the idle issue. As far as the vibration goes this needs a hands on diagnosis by a good noise and harness trained tech, tire shops are good for this technican as well of course the Dodge dealer. Find below the cleaning procedure for the throttle valve and idle valve Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professional
I just had the same issue with a 1999 2500HD and the vibration got worse above 50 mph. Problem was resolved with a new driveshaft. Old one (aluminum) was badly out of true and the problem didn't really occur until I had the U joints changed - then bent driveshaft vibration was noticeable. New driveshaft resolved issue.