Why does my Suburban make noise when I Turn Off the gas?

In 2wd problem starts at 10mph w foot on gas. When I take foot off gas or put into 4wd the problem goes away. Sounds like I am driving on rumble strips on the side of the highway. I have had this 08 suburban in the shop 5 times this year.

Why does my Chevy Silverado make a grinding noise?

A steady grinding from the front that begins with forward motion and corresponds to speed—this noise indicates front wheel bearing wear. At a steady speed, swerve the Silverado slightly left and right. A bearing’s grinding tone will change as the side load changes.

Where does the lifter sound come from on a Chevy Silverado?

You can hear lifter click best around the top of the engine, and isolate the noise with a stethoscope against the valve cover. It will occur at idle and increases as you rev the engine, continuing even when the engine is warm. Valve lifter noise is detrimental and should be addressed quickly.

Is it bad to hear piston slap in Chevy Silverado?

In TSB 01-06-01-022 (Aug 22, 2001) and TSB 01-06-01-028A (Mar 18, 2003) GM has stated that piston slap is not detrimental and will not affect the service life of the engine. Indeed, many owners report reaching 300,000 miles despite hearing piston slap. Valve lifter noise is a light, rapid metallic clicking.

Why does my car make a loud noise when I start the engine?

The engine tone will be deeper and it’s common to hear periods of engine backfiring when you have an exhaust leak somewhere in the exhaust system. What’s the cause of this sound? When your vehicle sounds as if it turned up the volume on the exhaust by a factor of three to five, it’s usually caused by a leak somewhere in the exhaust system.

Why does my rear differential make a whirling noise?

Rumbling and whirring noises at speed over 20 mph, moreover, can be the result of worn carrier bearings. For vehicles with C-clip axles, the rear differential noise may change at different turns.

What does a car bearing sound like at low speeds?

Interestingly, the vibrations are different depending on your vehicle speed. At very low speeds (less than 5 miles per hour) you may be able to actually feel these vibrations as your creep along. At higher speeds, these vibrations will just sound like humming and feel like you’re driving on a washboard surface.

Why does my truck feel like it is going over rumble strips?

These transmissions are actually well known for having the valve body bore for the PWM/TCC solenoid wear. Once it wears, it can’t handle the pressure so it can’t fully apply the TCC pressure properly. Those solenoids also do burn up. The problem is that your issue could be in any of these things.

Why does my’01 4L80E feel like a rumble strip?

I did that to my ’01 4l80e just to make the trans last longer and use less fuel. The only draw back is that you can kind of notice the tcc lockup, just like you used to be able to on older 4l80e’s and 4l60e’s that didn’t have that stupid tcc pwm valve.

What causes vibration at speed on GM SUVs?

When customers bring their SUVs into their dealer, the repair process seems to be almost always be the same. It starts with road force balancing, because out-of-balance wheels are the most common cause of vibration at speed.

What does it feel like to hit a rumble strip?

I keep getting a vibration, almost feels like hitting a ‘rumble strip’ on the highway. But it only happens quite occasionally, like maybe once or twice in a 20 mile trip and only for a second or two each time…

Why does my truck make a grinding noise?

Clancy, tried your suggestion this afternoon and the truck does not buck or shudder, just the normal 4WD feeling when the front is locked with the rear. Stumpuller6.5 Shits gonna get Abrasive…

Why does my transfer case make a grinding noise?

Transfer Case grinding noise – FIXED! Discussion in ‘ Mechanic’s Corner ‘ started by stadt11, May 23, 2010 . My transfer case has started making a horrible grinding noise. First I thought it was coming from the driveshaft or the front/rear diff, but wasn’t sure.

What’s the noise coming from the front of my car?

This type of noise can be HEARD and is typically louder with the windows rolled down. For additional information, refer to Corporate Bulletin Number 03-08-61-002F or newer — Snap/Popping Type Noise Coming from Front of Vehicle (Remove Front Crossmember, Change Fastener Orientation)

Why does my Chevy Silverado make a squeaking noise?

Repetitive squeaking indicates the belt is not running true, and prolonged squealing means that the belt is overheating. This noise is typically caused by a mechanical problem, either a worn auto-tensioner or idler pulley.

What kind of engine does a 2002 suburban have?

I own a 2002 Suburban with the LM7 engine in it and it’s running strong at 220k miles with virtually zero engine issues over my course of ownership. It has hands down been the cheapest car I’ve ever owned from a maintenance and repair perspective. The engine blocks are nearly bulletproof on these cars.

Why is my Chevy Silverado making a clunking noise?

A loud clunk from the front end during low speed turns, which is particularly noticeable on unimproved roads. The clunk vibration travels up to the steering wheel, particularly while turning the wheel. GM has released numerous TSBs, either calling to grease or replace the intermediate steering shaft.

Why does my 5.3 liter Vortec make a ticking noise?

Causes of Startup Noises in a 5.3L Vortec Valve Lifter. Lifter tick is a common occurrence in V-8 engines like the Chevy 5.3-liter Vortec. This ticking sound is caused by the valve lifters, which are filled with oil during engine operation.