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DIY: Clutch Replacement pictorial
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Old 02-13-2010, 07:16 PM   #1
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Default DIY: Clutch Replacement pictorial

Do It Yourself: Clutch Replacement. 1999 Subaru 2.5RS. 5-speed Manual Transmission.

This pictoral DIY covers complete dissassembly and reassembly over the entire job (no "repeat steps in reverse" finish).
Dissasembly is covered from Steps 1 to 27.
Reassembly is covered from Steps 28 to 52.
This task could take from 12 to 20 hours, depending on how particular you are with cleaning all your parts.
A helper is needed to work the floor jack to lower and raise the transmission while you steady it under the car.
It is helpfull to use the Electrical & Torque Checklists below during reassembly. Check each item off the list as it is completed.

Auto Parts
New Flywheel
New Clutch Disc
New Clutch Pressure Plate assembly
New Throw-out Bearing
NewPilot Bearing
New Clutch Fork Dust Boot (pt # 30542AA040)
New Exhaust Manifold Gaskets (Felpro)
Optional: Flywheel to crank bolts (pt # 800210660)

Fluids / Chemicals
(1) High-Temp (brake) Grease
(4 quarts) Transmission Gear Oil
(1 spray can) Engine Degreaser

Service Tools
(1) 2-ton Floor Jack that can reach 19" high minimum
(4) Jack Stands that can reach to 18" minimum height
(1) Subaru scissor jack
(1) Portable Work Light
(3 foot) wood 2x4 (cut for engine support)
Oil drain pan

Hand Tools - Special
(1) Special clutch alignment tool (comes with clutch set usually)
(1) Torque wrench capable of 10 to 110 ft. lbs.
(1) long 1/2" drive breaker bar
(Use 6-point sockets to remove and reinstall all torque spec'd bolts)
(1) 3/16" to 7/32" round flat punch with 1 3/4" reach
(Sockets, Open Ends and Box Ends from 8mm to 17mm)
(1) 13/16" socket (transmission drain bolt)

CHECK LIST: Electrical Connectors encountered
(2) Catalytic converter plugs
(1) Neutral switch plug
(1) Back up switch plug
(1) Transmission Speed Sensor plug
(1) Transmission Ground terminal
(1) Starter + terminal
(1) Starter Solenoid plug
(1) Engine Ground terminal

CHECK LIST: Torque Specs encountered
Flywheel to crank (8 bolts) 53 ft. lbs.
Clutch Pressure Plate (6 bolts) 11.6 ft. lbs.
Transmission Bell Housing (6 bolts + 2 nuts) 36.9ft. lbs.
Clutch Slave Cylinder (2 bolts) 27.5 ft. lbs.
Trans Crossmember / front (2 bolts) 101 ft. lbs.
Trans Crossmamber / rear (4 bolts) 51 ft. lbs.
Pitching Stopper / front (1 bolt) 36.2 ft. lbs.
Pitching Stopper / rear (1 bolt) 42 ft. lbs.
Drive Shaft to rear diff. (4 bolts/nuts) 23.1 ft. lns.
Drive Shaft enter bracket (2 bolts) 38.3 ft. lbs.
Exhaust Manifold (6 nuts) 22.4 ft. lbs.
Exhaust Hangar bracket (1 bolt) 22.4 ft. lbs.
Mid Pipe Spring Joint (2 spring bolts) 13 ft. lbs.
Transmission Drain (1 mag bolt) 32.5 ft. lbs.



1999 2.5RS. Original owner, WR Blue. 2013 BRZ Limited, WR Blue.
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Old 02-13-2010, 07:27 PM   #2
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Wow. Excellent write up. Very well detailed and documented.

I was thinking about doing one of these that were more graphic than the written ones, but I'm glad you were able to do it. Too bad I have the bad habit of pulling the engine and doing this.
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Old 02-13-2010, 07:34 PM   #3
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Absolutely amazing! Very nice write-up.. one of the best I've seen. Thanks for taking the time out to put all this together. I'm sure a lot of people will put this to good use.

A big +1 for you!
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Old 02-13-2010, 07:51 PM   #4
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jeez! very good write up. very impressed. and very very thorough.
friends dont let friends put stupid GD scoops on their first gen car.
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Old 02-13-2010, 07:53 PM   #5
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sticky!!! thanks dude!
Ward i think you were a little hard on the beaver.
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Old 02-13-2010, 07:54 PM   #6
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one thing that some of the older model L and brightons owners need to keep in mind, is that there are a few steps in there that are not the same. the main on i could see being the slave we don't have a wet clutch system. and there are only four bolts on the engine.

another thing to add, is that the support H brakcet doesn't need to come off unless you really really want to take it off. also helps to leave it on when sliding the trans out from under the car. also, if your exhaust system is all rusted and you don't want to risk breaking them, you can just undo the entire system and lay it on the ground, there's about 4 hangars, the one bolt on the trans and the header to engine bolts.
friends dont let friends put stupid GD scoops on their first gen car.

Last edited by George.of.the.Jungle; 02-13-2010 at 07:57 PM..
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Old 02-13-2010, 08:41 PM   #7
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Very well done DIY, thanks!

Depending on what other maintenance/repairs I'm doing determines if I pull the engine or the tranny for a clutch change, but this will definitely get used next time I pull the trans.

Oversteer scares passengers, understeer scares drivers.
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Old 02-13-2010, 08:41 PM   #8
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AMAZING write up. wish this was up in september i wouldve did my own clutch job >.>
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Old 02-13-2010, 08:48 PM   #9
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where were you in june?

Love the RS jack trick
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Old 02-13-2010, 08:55 PM   #10
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Pics with torque spec are awesome!!!! Thanks!
1995 Subaru Impreza L w/ JDM V2 WRX Swapped
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