Why does my GMC Truck make a clunking noise?

Some GM trucks will make a noise like you describe but its the transmission that’s the culprit and the noise/thump appears to come from the passenger foot well area. Does it feel like the truck lunges forward and makes the sound?

Why does my car make a noise when I start it up?

No repairs should be attempted for this condition. The 6.2L engine dry sump oil system may generate a moan noise that may be heard inside the vehicle at idle and/or low engine rpm operation for approximately the first two minutes following a cold start. The noise cannot be heard from the outside of the vehicle.

Why does my AC make noise when I turn it on?

Belt: If the serpentine belt is worn, it can slip when the compressor engages, causing noises. Idler Pulley: It’s possible that the noise is actually from the idler pulley if its bearings are failing. The noise would start when the compressor engages due to the increased load on the engine.

What kind of engine makes noise during cold start?

These engines generate noises during cold start and during warm operation that technicians may not be familiar with. The new Small Block Gen 5 engine family incorporates Direct Injection (DI). This technology is included as standard equipment on all Generation 5 engines in the Small Block engine family which are the: 4.3L V6, 5.3L V8, and 6.2L V8.

Why does my GM Truck make a noise when I start it up?

These engines generate noises during cold start and during warm operation that technicians may not be familiar with. The latest generation of full-size trucks and utilities incorporate a new generation of technologies not previously seen in a GM full-size truck and utility applications.

Why does my Silverado make a clunking noise when I start up?

This slight movement is due to the residual transmission fluid in the clutch packs that creates a partial apply on start up. This movement is stopped by the parking pawl and/or transmission fluid exhausting completely from the clutch packs. This slight movement has no adverse affects on the transmission and no repair should be attempted.

Why does my car make a clicking noise when I start it up?

The sound may be more noticeable during a cold start, but lessens once the engine is warm. A slightly higher pitched clicking sound is the fuel injectors pulsing under the high fuel pressures.

Ok my truck is at the dealer for the same clunk I have had for 2 years and they can’t find anything wrong. I thought it was the intermediate shaft since all the parts that it could be from wear have been replaced and are all ok They can’t find anything wrong but they hear the noise too?

Why does my Chevy Tahoe make a clunk sound?

After that I had this clunk sound from the rear end and I swore it was my rear diff. The chase began, rear end serviced and carrier bearings replaced…no fix. One tech thought to be leaf spring bushings (the where basicly gone)…no fix.

Where does the clunk come from on the front of a Silverado?

Exactly – that’s why I spent quite bit of effort looking at the front end parts (i.e. ball joints, bearings, bushings, tie-rods, etc.). Finally noticed that when I pushed the front end up and down while standing beside the vehicle, the noise was actually coming from behind the cab.

What causes a GMC crossmember to clunk under the oil pan?

When the bolts aren’t torqued down properly (even if you can’t wiggle the crossmember by hand), the frame flexes and causes that crossmember to clunk. Make sure the bolts on the engine crossmember (under the oil pan) are tight, I’m a service advisor at a GMC dealership and get these once in a while.

Why does my GM Truck make a loud clunking noise?

Loud clunking/popping noise from front end. Recently my truck has been making a very loud noise coming from the front end. I was driving to work one day when I heard a noise that sounded like a think piece of metal was flapping underneath the truck somewhere. Thought it might be the dust cover so I took it off and the noise persisted.

Why does my front suspension make a clunking noise?

This condition may be caused by the jounce bumper slamming into the upper spring seat because it is not retained in the correct up position. The jounce bumper loses position due to oil being deposited onto its retention fingers. The oil is from the strut leaking.

What kind of truck makes a grinding noise?

Okay, truck an 04, 1500 Z71 ext. cab and has 320k miles. Original front end. Today, almost all the way to work (20 miles) started to get a faint grinding from the front end. When I got to work, looked for obvious stuff stuck to the axle, but nothing. Going home, it was quiet at first, but after 20 miles, same noise.

Can a Silverado clunk over a bump?

Clunk at low speeds over bumps front end pass side. 07 Silverado NBS Checked the X-member bolts i was able to tighten them by hand initially. Torqued both sides to 70Ft/lbs, no more clunk. . Tightened the 18mm Xmember bolts, got 3/4 turn out of the driver’s side and about a 1/2 turn on the passenger side.