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My 05 GTO has a whining noise at 45 to 55 MPH coming from…

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My 05 GTO has...

My 05 GTO has a whining noise at 45 to 55 MPH coming from the rear end . The car has 51000 miles on it. Would friction modifier or changing the fluid to royal purple help??

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix with a Pontiac. The Pontiac Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.

Just a whining noise coming from the rear end at 45 to 55 mph on acceleration. The car is a automatic L-S 2 it has 51000 miles on it.

Mechanic's Assistant: Are you hoping to fix this yourself?

MY Mechanic is going to look at it Monday I have a extended warrant that covers it.

Mechanic's Assistant: Is there anything else the Pontiac Mechanic should be aware of about your Pontiac?

It has a hard shift at times going into 3rd gear and I have to put in 2 pints of fluid every 4 months or so and it does not leak it.

Submitted: 2 years ago.Category: Pontiac
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Answered in 4 minutes by:
3/6/2016
Pontiac Mechanic: john aka eaut, The Car Guy replied 2 years ago
john aka eaut
john aka eaut, The Car Guy
Category: Pontiac
Satisfied Customers: 17,115
Experience: 15 years as a auto tech
Verified

you can try but generally a whine is a failing bearing..pinion bearings are the most common..Is it full of fluid? any leaks?

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