When to change the differential on a Pontiac GTO?
You will hear it when you either switch from park to drive, or drive to reverse. That noise means it’s definitely time to change your differential fluid. The 2004-2006 Pontiac GTO comes from the factory with a 3.46 gear ratio limited slip differential. Limited slip means it is not a full true locked posi rear end.
How to drain fluid from a Pontiac GTO?
After fluid has completely drained, re-install drain plug (Number 2) and tighten to 20 ft/lbs (foot-pounds) using a Torque Wrench. Now completely remove the fill plug (Number 1) for the next step.
What does limited slip mean on a GTO?
Limited slip means it is not a full true locked posi rear end. Both rear tires are not always spinning at the same speed. They will both spin at the same time and same speed when enough torque is placed on the gears, such as pulling a hole shot, or just stomping on the gas to squeal the tires.
What kind of transmission does a Pontiac GTO use?
Tremec TUET16362 T-56 MAGNUM-F 6-speed manual performance transmission for the GM applications. This is a bolt-in swap for your 2004-2006 Pontiac GTO (REQUIRES THE USE OF A 1 PIECE DRIVESHAFT). This is the strongest torque/power rating of any 6-Speed transmission ever produced! Rated at a whopping 700 lb-ft of torque capacity.
What’s the differential on a 2004 Pontiac GTO?
You can download the “Rear Drive Axle” section of the service manual below. The differential is the same for all three years, 2004, 2005, and 2006 Pontiac GTO. The rear ends on these cars are pretty sensitive to which fluid they have in them. I’m going to show which fluid works the best and how to change it.
Is the Pontiac GTO still on the market?
Pontiac’s mid-2000s revival of the GTO was, sadly, a failure. GM brought the great Australian-built Holden Monaro into the U.S. and badged it as a GTO, but it never caught on with the public. The upside to this is that 2004-2006 models are now one of the best relatively affordable used car finds for enthusiasts.
After fluid has completely drained, re-install drain plug (Number 2) and tighten to 20 ft/lbs (foot-pounds) using a Torque Wrench. Now completely remove the fill plug (Number 1) for the next step.
What should I do if my car differential is making a noise?
Disable the ABS/ESP system – there’s usually a button. Shift into a forward drive gear and let the engine idle. Stay away from moving parts, and listen to the differential – it should be quiet. If it howls, grinds, clunks, bangs, whirs, clicks, vibrates or makes other unusual sounds, it’s damaged.
Why does my differential clunk when I accelerate?
Hearing the noise when accelerating may be due to worn or loose axle or yoke splines, spider or U-joint wear, or differential backlash noise. The clunk, when starting from a stop, could be caused by worn out slip yoke splines.
What causes a clunking noise on the driveline?
Cause: Bad wheel bearings Noise: Driveline squeaking or grinding at any speed Cause:Worn or damaged U-joints Noise: Clunking when depressing the throttle pedal (takeoff) Cause:Worn U-joints; worn spider gears; worn axle splines; excessive gear backlash; loose yoke splines; worn slip yoke splines Noise:Clunk immediately after taking off from a stop
You will hear it when you either switch from park to drive, or drive to reverse. That noise means it’s definitely time to change your differential fluid. The 2004-2006 Pontiac GTO comes from the factory with a 3.46 gear ratio limited slip differential. Limited slip means it is not a full true locked posi rear end.
What’s the clunk noise when you switch from Park to reverse?
Clunk noise when switching from park to reverse! – YouTube Clunk noise when switching from park to reverse! If playback doesn’t begin shortly, try restarting your device.
What does it mean when your differential is making a noise?
While there is no help for our singing, we can help you diagnose the sounds coming from a differential gone bad. A clunk, whine, or howl can signal a worn-out pinion gear, bad bearings, or a faulty gear installation. Sometimes, the noise is not differential-related, but is caused by other driveline or axle components.
Why does my car make a clunking sound when reversing?
The warranty guy wants us to drive it for about a week (unless there are serious clunks continuing) and then report back to him. He is suspecting something faulty in the emergency brake switch. He thinks it may be in the switch itself that is pressed to put it on and off.