Fluid Servicing? - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 03-15-2010, 10:52 AM Thread Starter
 
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Fluid Servicing?

Please, no flames...

Im finally getting around to changing out all my fluids on my 05 GTO AT.

How many quarts does the LS2 take? Im thinking 6, just wanna make sure.

Im using Mobil 1 10w-40 synthetic, is that ok?
Also using the Mobil 1 filter.

ALso gonna do the Diff fluid and use Royal Purp Max Gear 75W90, that sound right?

and last but not least, the AT fluid. I have never done this before, is it difficult to do? Is there a DIY art here that I am missing?
I was thinking the Royal Purp AT fluid.


thanks... I appreciate it.
Im new to the V8 world, so tho ive done plenty of oil changes on my own, not much else has been done by me, and now I am learning and want to make sure I get everything right.
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post #2 of 6 (permalink) Old 03-15-2010, 11:07 AM
 
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Here's some guidelines. I think 10w-40 is too thick. The factory calls for 5w-30. The author of this article is using 0w-30. Follow the guidelines of this article but use the fluids of your choice as long as they're withing the factory guidelines.
Differential, Manual Transmission & Engine Oil changes

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post #3 of 6 (permalink) Old 03-15-2010, 11:40 AM
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Look at your owners manual. All the capacities and types of fluids will be listed.....



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post #4 of 6 (permalink) Old 03-15-2010, 11:42 AM
 
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Read your owners manual for fluid specs... AND EXPECT TO BE FLAMED.

I use whatever oil is on sale for my motor(5W30 because thats what the manual says). I've been sticking with the Pureolator filters because they get decent reviews and are reasonable priced. I wouldn't buy any special filters because I haven't seen measurable results.

I am however considering switching to the Mobile one expended life 12,000 mile oil and special filter for convenience though.

I use Royal Purple 75W140 in the diff(it is what the manual says) however the new GM part number for it is 75W90? Needless to say, 53k miles and no issues.

Also, I don't belive the A4 is too hard to do. I would assume it is the same as most cars, drain, drop the trans pan, replace filter, and put the trans pan back on (new gasket usually comes with filter) or use RTV(let dry before putting fluid in)

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post #5 of 6 (permalink) Old 03-30-2010, 04:50 AM
 
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Don't forget to change your brake fluid. Seems like a lot of people want to go fast and don't care about stopping. Brake fluid breaks down and oxidizes fairly quickly.

<-- Guess which ones quicker?.....Nope! Not even close.
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post #6 of 6 (permalink) Old 04-04-2010, 09:21 PM
 
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Quote:
Originally Posted by 06gtoin216 View Post
Don't forget to change your brake fluid. Seems like a lot of people want to go fast and don't care about stopping. Brake fluid breaks down and oxidizes fairly quickly.
+1 on the brake fluid. That IS the most over looked fluid. And don't go by color. I have seen golden colored fluid fail the test strip test. But if it black then deff. change it ASAP. And don't just remove and refill the master cylinder. Make sure to flush the lines after changing the fluid in the M/C.

If you plan on doing much high speed driving. I would reccomend switching to a hi performance brake fluid like the ATE Super Blue.
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