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Finally: Organized F35 transmission fluid thread

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Finally: Organized F35 transmission fluid thread

Old 01-17-2012, 09:35 AM
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just ordered two quarts of the 88862472 trans oil from CED. Can not wait to change out fluids. I'm almost at 70k miles so im expecting SOME sort of result, wether big or small.
I also wanted to thank CED for having excellent customer service. I apparently input an incorrect digit regarding my credit card information. They called a few hours later and asked if i would check my card to make sure i didnt make a mistake. Sure enough i did, and they fixed it right away and shipped out my product the same day i ordered.
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Old 01-17-2012, 01:16 PM
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Originally Posted by jmfselu View Post
just ordered two quarts of the 88862472 trans oil from CED. Can not wait to change out fluids. I'm almost at 70k miles so im expecting SOME sort of result, wether big or small.
I also wanted to thank CED for having excellent customer service. I apparently input an incorrect digit regarding my credit card information. They called a few hours later and asked if i would check my card to make sure i didnt make a mistake. Sure enough i did, and they fixed it right away and shipped out my product the same day i ordered.
I noticed a difference, definitely. I think I did it around 68K, I can't remember though honestly.

Either way I'm sure you'll be pleased.
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Old 02-05-2012, 09:24 PM
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im swapping this fluid out i hav that royal purple **** in there now and my tranny is running like **** i didnt put it in there so ill cough up the $50 for the GM stuff to make my car run better.
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Old 03-16-2012, 01:30 AM
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Ok.. I have a question:
OP stated:
"IF you feel the need to go aftermarket on the fluid, the ONLY fluid I recommend is - Red-Line 75W-90 NS GL-5 Gear Oil, and I ONLY recommend it for the SS/SC guys."
Why is the Red-Line oil only recommended for the SS/SC guys?? I thought Red Line was better than factory specs, no?
I haven't changed mine yet, but I plan to this spring, so I'd like this cleared up before I go out n buy the Red Line oil.
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Old 03-16-2012, 03:32 PM
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Originally Posted by Knightwolf View Post
Ok.. I have a question:
OP stated:
"IF you feel the need to go aftermarket on the fluid, the ONLY fluid I recommend is - Red-Line 75W-90 NS GL-5 Gear Oil, and I ONLY recommend it for the SS/SC guys."
Why is the Red-Line oil only recommended for the SS/SC guys?? I thought Red Line was better than factory specs, no?
I haven't changed mine yet, but I plan to this spring, so I'd like this cleared up before I go out n buy the Red Line oil.
Just like anything else that's aftermarket... use at your own risk. If your transmission blows up after you put aftermarket fluid in and the dealership sees it, your warranty work would be null and void.

Spend some extra cash (or less cash) to buy something that was designed by the manufacturer for your specific application.
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Old 03-20-2012, 12:56 AM
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Originally Posted by svt View Post
Just like anything else that's aftermarket... use at your own risk. If your transmission blows up after you put aftermarket fluid in and the dealership sees it, your warranty work would be null and void.

Spend some extra cash (or less cash) to buy something that was designed by the manufacturer for your specific application.
Ya.. if you still have a warranty :P I get what you're saying, however, I was under the impression that the RedLine stuff was superior to the stock stuff from GM.. I believe specifically the same GL-4 rated stuff from RedLine was better than stock fluid.. I read that somewhere, but perhaps I'm wrong?
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Old 06-07-2012, 08:44 PM
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Originally Posted by xxxxsh4d0wxxxx View Post
Shouldn't be - No. Not in that short of a life-span. Did you check the roll pins? Or verify all of the linkages are connect correctly, nothing visually is broken? The shifter assembly on the top of the trans functions properly?
sorry forgot about this, everythings fine, rockers did blow, trannys fine, just was worried about the fluide, ill probley chech it for ***** this weekend
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Old 06-07-2012, 08:52 PM
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this is probley common sense but what every tranny fluide u took out, has to be replaced? an how do u chech when its full? first time for everything :-)
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Old 06-07-2012, 09:10 PM
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Old 06-15-2012, 09:08 AM
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Originally Posted by gotboost?17 View Post
this is probley common sense but what every tranny fluide u took out, has to be replaced? an how do u chech when its full? first time for everything :-)
Some will tell you to pour until it comes out of the fill plug.

Otherwise, measure out 1.7 quarts and pour all of it in.
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Old 07-22-2012, 03:31 PM
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Anybody use gmpartsdirect for their 88862472 fluid? On their site it's $15.56 but when I add it to my cart it says quantity 6.

I can't see 6 quarts being $15 bucks but if so I am ordering today!
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Old 07-23-2012, 09:40 PM
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I do believe that through GMPD you have to order a whole case...it would be 15.56 per quart X (times) 6 quarts.
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Old 08-22-2012, 07:20 PM
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which place will be the best to buy this fluid at dealership or crateenginedepot?
or is there any other place besides these sites?
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Old 09-26-2012, 05:43 PM
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great thread, will be ordering some transmission fluid here soon so I can get this done.
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Old 11-06-2012, 12:27 AM
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I replaced my axle Saturday, about 1/2 a cup of tranny oil spilled out. The tranny feels normal no different but I'm going on a 300 mile trip in 3 days and I don't want to take any chances. No dealers near me have the oil in stock and anything shipped would take a couple days. I found some Peak performance SAE 75W-90 GL-5 Full synthetic gear oil.. It has no friction modifiers or anything. Is it okay if I need to put in about 1/2 a cup? It looks like it meets all the requirements. Just want some opinions lol.
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Old 03-08-2013, 03:42 PM
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awesome info! I'll be doing this on the weekend, just quick thing the S/C tranny is MU3 while the T/C tranny has MC2. The HHR T/C has the MU3 as well.
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Old 03-19-2013, 10:56 AM
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Originally Posted by xxxxsh4d0wxxxx View Post
Well, while I was away, I was still reading around on the forum, and I finally noticed.. Here in the drivetrain section, we don't even have a sticky thread, with given information, for the F35 (SS/SC) transmission fluid, or even for the F35 (SS/TC).

I recently bought the fluid for mine, with not much help from previous threads. I would guess that over 85% of them contained incorrect information. We have people using the wrong fluid, with the wrong additives in the fluid, wrong weight of fluid, wrong amount of fluid, etc.

Also, the How-To that we DO have for the F35 (SS/SC) transmission, was completely incorrect. The OP who made the How-To, used Mobil-1 straight GL in his transmission.

We need to offer correct information for people on this forum who are in search of learning about this car.

On to the information..

1) The F35 (SS/SC) does take a 75W-90, GL-4, transmission fluid.

2) You DO NOT, I cannot make this any clearer, DO NOT, want friction modifiers! The friction modifiers will not allow the synchronizers in the transmission to work properly. This goes for BOTH the SS/SC and the SS/TC.

3) As for the limited-slip.. Ours are sealed. They are "Quaife ATB" differentials, and the lubricant does not affect them. AT ALL! This is why you DO NOT need limited-slip additives! This goes for BOTH the SS/SC and the SS/TC.

3a) *Side note* - This is why the How-To, (On this forum), is incorrect. The OP used 75W-90, WITH limited-slip additives. He is throwing differential gear fluid, in his transmission. The fluid is too slippery for proper synchronizer operation.

4) Even though the F35 comes with GL-4, you might want to use an aftermarket GL-5, if you feel need be. You can, although, make sure it is the correct specs as mentioned above! MOST GL-5's meet or exceed GL-4 specs.

5) The F35, (SS/SC) transmission, comes with fluid part number 21018899.. While The F35, (SS/TC) transmission, comes with fluid part number 88862472.

6) SS/TC guys, I would ABSOLUTELY NOT run anything other than part number 88862472, this is the most current GM fluid for your transmission.

7) SS/SC guys, feel free to use part number 88862472, in fact, I HIGHLY recommend it. It is a 75W-85 GL-4. It is the new "standard", over the old 21018899.

8) IF you feel the need to go aftermarket on the fluid, the ONLY fluid I recommend is - Red-Line 75W-90 NS GL-5 Gear Oil, and I ONLY recommend it for the SS/SC guys. You NEED 75W-90 NS, if you plan on using this fluid, because there is regular 75W-90, which has friction modifiers. It does not matter if you have G85 or not. Like I said earlier, our limited-slip is a sealed unit. No fluid you put in there, will see it.

9) DO NOT use Royal Purple, or any of that synchromesh garbage. Either stick with the 2 factory numbers I provided, or the Red-Line fluid. NO IF'S AND'S OR BUT'S!!

10) The transmission fluid should be changed around, in my opinion, 60k. As for the amount, you will need to buy 2 quarts. However, it will only take 1.7 quarts.

11) The code for the SS/SC transmission is F35-MC2. The code for the SS/TC transmission is F35-MU3.

Feel free to ask questions. I believe everything has been clearly answered, though.

Good write up, but I have the mu3 gears in my ss/sc with the g85. It says it on the sticker in the trunk.
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Old 03-19-2013, 11:02 AM
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just came across this actually..


#9. why no royal purple?
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Old 03-31-2013, 09:15 PM
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Can someone tell he where how I can get trans fluid level if I have an LSJ.... And yes I USED the SEARCH BUTTON, so don't ask cuz its getting very annoying
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Old 04-17-2013, 03:16 AM
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OK so **** is still not cleared up i read through every comment and half said to fill from the port near the drain plug and the half said to fill up top by the fuse box and fill till spills out of the bottom fill....

WHAT IS THE CORRECT WAY TO FILL THE TRANSMISSION?? DOES ANYONE KNOW???
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Old 04-17-2013, 06:54 AM
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Originally Posted by frankenbalt View Post
OK so **** is still not cleared up i read through every comment and half said to fill from the port near the drain plug and the half said to fill up top by the fuse box and fill till spills out of the bottom fill....

WHAT IS THE CORRECT WAY TO FILL THE TRANSMISSION?? DOES ANYONE KNOW???
fill from the allen bolt port above the drain port until fluid pours out, or measure in 1.8 litres. It is easier to measure in and fill by the reverse light switch port below the fuse box, but that requires more work. Unless you have a pressure cylinder to fill from its a pita. I use a pressure cylinder, but then I do it all the time....
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Old 04-17-2013, 10:32 AM
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Thank you very much! LoL dealer said $195 for that lol what a joke
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Old 04-17-2013, 03:48 PM
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still curious as to why he says no royal purple. i've used it in the trans for quite some time now. and it's just fine.
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Old 04-17-2013, 07:04 PM
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Originally Posted by EXsoccer1921 View Post
just came across this actually..


#9. why no royal purple?
dont you have transmission issues right now? wondering.....
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Old 04-17-2013, 07:42 PM
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Get your transmission shifting like new again.



Its the perfect time to replace those worn out roll pins, replace your trans fluid and upgrade to the LNF style shifter cable bracket.
Click here to order
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