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A How To: changing manual transmission fluid

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Old 04-21-2008, 08:45 PM   #1
moosestang
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Default A How To: changing manual transmission fluid

I thought i'd take some pics and do a little how to for anyone that doesn't know how to change their manual transmission fluid. It was much easier than I thought it'd be.

First remove the fill plug located on the passenger side of the transmission. you'll need a 3/8 inch ratchet and a 3/8 inch short extension to remove it. I actually used a 1/2 inch ratchet and a 1/2 inch to 3/8 inch adapter instead of an extension, all my extensions were too long. I didn't get a shot of the fill plug, but it's located where the clear tubing is going into the side of the transmission.

Click the image to open in full size.

Next remove the drain plug located at the bottom of the transmission. You need to remove the fill plug first so the fluid will not created a vacuum. Be ready with a catch pan or gallon water bottle with the top cut off, which is what I used. I could have used my oil drain pan, but I wanted to be able to lift it up to the transmission and inspect the oil that came out.
Click the image to open in full size.


Now replace the drain plug and insert your fill hose into the fill hole. I used some 3/8 inch inside diameter tubing from the hardware store. Ace hardware sells this stuff by the foot and you only need 3 feet, if that. This size worked perfect for fitting into the fill hole and also fit the top of my royal purple synchromax bottle very nicely. You can use a smaller diameter tube, but using a thicker tube meant I could squeeze the bottle from inside the car without worrying about the tube coming out of the fill hole.

Remove your shifter boot and rubber gasket and feed the tube down in front of the shifter like so.

Click the image to open in full size.

Click the image to open in full size.

the manual calls for 3.2 quarts to fill it to 1/2 inch below the fill hole. You'll need to squeeze the bottle and then back the bottle off the tube a bit to allow air to get in. Otherwise it will try to suck the oil you just squeezed out back into the bottle. You could also poke a hole in the bottom of the bottle. You need to stick your finger in there to judge half an inch. I found that 3 quarts was enough, but I didn't let it drain completely. Reinstall the fill plug and torque both plugs to 18-20 ft lbs.

I've read the royal purple synchromax does wonders for manual transmissions, but I only drove it around the block so I can't give an opinion yet on smoother shifts.
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whipple HO SC,FRPP k springs, Pypes mid mufflers, hurst, frpp TB, 4.10's, spohn lca's, adj. UCA, relo brackets, 1 piece DS, spec stg 3+ clutch. 12.52@117.6mph so far with a 2.01 60 ft time

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Last edited by moosestang; 03-27-2013 at 09:17 PM.
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Old 04-21-2008, 08:53 PM   #2
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Default RE: A How To: changing manual transmission fluid

Very nice, beats the pump that i used with mine[:@]
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Old 04-21-2008, 09:04 PM   #3
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Default RE: A How To: changing manual transmission fluid

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Very nice, beats the pump that i used with mine[:@]
I did the pump thing with the gear oil, never again![:'(]
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whipple HO SC,FRPP k springs, Pypes mid mufflers, hurst, frpp TB, 4.10's, spohn lca's, adj. UCA, relo brackets, 1 piece DS, spec stg 3+ clutch. 12.52@117.6mph so far with a 2.01 60 ft time

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Old 04-21-2008, 09:06 PM   #4
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Default RE: A How To: changing manual transmission fluid

nice info.
how did the tranny fluid look, and how many miles on your car?
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Old 04-21-2008, 09:10 PM   #5
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Default RE: A How To: changing manual transmission fluid

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nice info.
how did the tranny fluid look, and how many miles on your car?
Almost 20k and it looked good to me. A nice deep red color.
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whipple HO SC,FRPP k springs, Pypes mid mufflers, hurst, frpp TB, 4.10's, spohn lca's, adj. UCA, relo brackets, 1 piece DS, spec stg 3+ clutch. 12.52@117.6mph so far with a 2.01 60 ft time

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Old 04-21-2008, 09:51 PM   #6
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Default RE: A How To: changing manual transmission fluid

Thanks moose, looks good.

Sticky!

EDIT:

nvm matt already put it up there[8D]
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Old 04-21-2008, 10:58 PM   #7
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Default RE: A How To: changing manual transmission fluid

i'll use this thread when i do mine....

thanks moose for the write up, i wish
you'd do more of these....
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Old 04-22-2008, 07:54 AM   #8
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Default RE: A How To: changing manual transmission fluid

Sweet write-up, thanks Moose.

Now I wish someone would do:
- Change the oil in rear differential
- Change brake fluid
- Maybe even a change coolant how-to
Then we'd have all the fluid How-Tos covered (Taco Bill already has the oil change covered)
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Old 04-22-2008, 08:41 AM   #9
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Default RE: A How To: changing manual transmission fluid

I do not believe I have ever change the tranny fluid on any of my manual transmission vehicles. Is this required? When/what mileage is recommended for the change?
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Old 04-22-2008, 09:25 AM   #10
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Default RE: A How To: changing manual transmission fluid

Great post I am going to change over to Royal Purple soon....smoother shifts?
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Old 04-23-2008, 05:34 PM   #11
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Default RE: A How To: changing manual transmission fluid

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I do not believe I have ever change the tranny fluid on any of my manual transmission vehicles. Is this required? When/what mileage is recommended for the change?
+1................. I'm at 20k so I'm guessing mine's ok for now if you said yours looks fine.
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Old 04-23-2008, 08:55 PM   #12
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Default RE: A How To: changing manual transmission fluid

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I do not believe I have ever change the tranny fluid on any of my manual transmission vehicles. Is this required? When/what mileage is recommended for the change?
I used Red Line ATF at 3.8k. Going to use Amsoil at 30k. Amsoil because Red Line is not too available in NC. I talked to Red Line before I made the Amsoil decision. They recommended a 30k change interval.
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Old 04-23-2008, 08:55 PM   #13
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Default RE: A How To: changing manual transmission fluid

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I do not believe I have ever change the tranny fluid on any of my manual transmission vehicles. Is this required? When/what mileage is recommended for the change?
Every 4 years or 60,000 miles according to the haynes manual. I changed mine because my manual transmission is noisey. I read it significantly reduces noise. I still haven't driven the car because i'm waiting on some stupid K member bolts that are stripped![:@] I should have them replaced tomorrow.
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Old 04-23-2008, 09:39 PM   #14
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Default RE: A How To: changing manual transmission fluid

Hey Moose,
Sorry I didn't read the entire post, but did you finish? I am curious to see how everything works out. I ordered the Mcleod RST today, and 4.10s, thinking about a spyder shaft. The clutch won't ship until 5-9 which sucks. But once it is here the new mods will be prothane mounts, 4.10's, clutch and maybe a spyder shaft. Do you know anyone wanting a cheap Spec'sII + aluminum flywheel? It just needs a new facing $70.00 from specs. I am think 75.00 + shipping for the flywheel.
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Old 04-23-2008, 10:02 PM   #15
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Default RE: A How To: changing manual transmission fluid

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Hey Moose,
Sorry I didn't read the entire post, but did you finish? I am curious to see how everything works out. I ordered the Mcleod RST today, and 4.10s, thinking about a spyder shaft. The clutch won't ship until 5-9 which sucks. But once it is here the new mods will be prothane mounts, 4.10's, clutch and maybe a spyder shaft. Do you know anyone wanting a cheap Spec'sII + aluminum flywheel? It just needs a new facing $70.00 from specs. I am think 75.00 + shipping for the flywheel.
I finished, but I only drove the car around the block. It seems my passenger side K member bolts were cross threaded at the factory. I backed them off, but not out, to lower the engine and went to torque them to spec and couldn't get them back in. I'm getting some new bolts from ford tomorrow and hopefully they thread in no problem.

I swear my clutch pedal feels lighter than stock, but it could be because I haven't driven the car in a few days. I might still have some air in it as well. Atleast the car doesn't roll when in gear and I rev it. I think I also had an exhaust leak at the header/H pipe connection which i fixed. I figure if I eventually take the whole car apart and put it back together, it just might be perfect when I'm done.
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whipple HO SC,FRPP k springs, Pypes mid mufflers, hurst, frpp TB, 4.10's, spohn lca's, adj. UCA, relo brackets, 1 piece DS, spec stg 3+ clutch. 12.52@117.6mph so far with a 2.01 60 ft time

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Old 04-24-2008, 11:19 AM   #16
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Default RE: A How To: changing manual transmission fluid

Hmmm... Since I am now approaching 75K, I guess I will add tranny fluid to the AMSOil order.
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Old 04-25-2008, 12:00 PM   #17
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Default RE: A How To: changing manual transmission fluid

Hey Moose, I saw them picking on you in the street/strip section, whats up with that?
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Old 04-25-2008, 04:58 PM   #18
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Default RE: A How To: changing manual transmission fluid

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Hey Moose, I saw them picking on you in the street/strip section, whats up with that?
I guess you need to take your car to the track and beat the shiot out of it or you are not worthy of that forum. Just some jealously among some 2v owners. That forum is dead to me, it's a chevy forum anyway.
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whipple HO SC,FRPP k springs, Pypes mid mufflers, hurst, frpp TB, 4.10's, spohn lca's, adj. UCA, relo brackets, 1 piece DS, spec stg 3+ clutch. 12.52@117.6mph so far with a 2.01 60 ft time

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Old 04-25-2008, 08:04 PM   #19
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Default RE: A How To: changing manual transmission fluid

I recently installed RP SyncroMax. I think it made an improvment.
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Old 10-16-2008, 12:26 PM   #20
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I have an '05 V6 Mustang (manual). I was having significant issues shifting into gear. Two Ford dealers told me I needed a new clutch (even though it wasn't slipping). I installed Royal Purple MT Fluid a week ago and the difference is night and day. The transmission is now really smooth and I hardly have any issues getting into gears. The majority of the time I have no issues getting into gears.

The car has 35,000 miles on it. The trans fluid that came out was dark brown, sort of like a Guinness or dark coffee color. So, I'd say the fluid should probably be replaced every 30,000 miles at least. And I'd highly recommend Royal Purple. A friend has an E36 ('98) M3 and he put RP in at the same time. His fluid wasn't in bad shape and the difference in shifting was still noticeable.

Mostly, I'd like to thank Moose for the tube recommendation. I can't imagine how much time that saved us.

Any suggestions for changing the hydraulic fluid for the clutch?

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Old 10-16-2008, 12:26 PM
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