Why does a transmission clunk?
Low transmission fluid and worn-out gears can be the culprit – and computerized sensors and solenoids can cause clunking if they send the wrong information to your car’s gearbox.
What is GM driveline clunk?
The machine work on GM splines appears extremely rough. The driveshaft yoke plunges in and binds. When the rear springs relax, the tension becomes sufficient and the yoke is yanked back into position. This is the cause of the loud clunk.
Why does my truck clunk downshifting?
If your transmission mount or engine mount becomes loose or breaks, you may hear clunking noises whenever you make a sudden change in speed or whenever you shift gears, due to the movement of the unsecure mount. They’ll look at the parts under your car that act to mount your transmission or engine in place.
Why does my 4 wheel drive clunk?
The loud clunking sound can also emanate from your transmission when you engage 4-wheel drive on the fly over a certain speed. This is caused by the gears inside the transmission case as they engage to lock the front and rear drive-shafts. Alternatively, if your 4-wheel drive is making a clicking sound – click here.
When does a Silverado make a clunking sound?
When initially putting it in ‘Drive’ and slowly starting out on a slight downward grade, when the transmission shifts from 1st to 2nd, a loud ‘clunk’ sound comes from the rear end. The ‘clunking’ will occasionally happen at other times as well, but it always happens under the conditions I described.
How to fix driveline clunk in Chevy Silverado?
BTW: If your car is still under warranty, the dealer is now obligated to replace the u-joint with a new part. prior protocol for them was to apply grease as shown above. just a lil FYI i found out last month when i took my 08 Silverado into the delear for this service. I’m reading this just before I take my ’09 in on Saturday for a few issues.
What kind of engine does Chevy Silverado have?
4WD, 8-speed transmission, 6.2 liter engine. My 2017 Silverado with 11K miles on it (still under warranty) has a bothersome problem. When initially putting it in ‘Drive’ and slowly starting out on a slight downward grade, when the transmission shifts from 1st to 2nd, a loud ‘clunk’ sound comes from the rear end.
Is it annoying to come to a stop and feel the clunk?
As you know, it is extremely annoying to come to a stop and feel that Chevy patented clunk just like someone has just rear-ended you. Well, after several online posts, I finally decided to do my truck.