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Old 08-30-2015, 03:22 PM   #1
bananarex
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Member#: 429147
Join Date: Aug 2015
Location: Eastern Tennessee
Vehicle:
2006 Subaru WRX
Blue

Question 06 WRX 3rd gear destroyed

Long time reader, first time poster.

So last night, I was driving home. Pretty casual. I pulled out onto a 55 mph highway, so naturally, I accelerated somewhat heavily. As soon as I shifted to third, there was a loud mechanical noise, and the car acted like it was in neutral while the shifter was in third, also accompanied by a sound of grinding / crunching. I immediately switched into fourth to assess the noise I just heard. After third gear *assuming* was destroyed, the car started rattling like a popcorn maker in every gear while not completely stopped. Since the car was still "driveable", I drove about 3 miles back to my house. I probably won't drive it again until I'm going to wherever it is getting worked on.

So my reason for posting today is, what are my options?

I have read so far that rebuilding a WRX transmission is not for first timers. Also lot of people take this opportunity to put in higher strength gears, or do an STI swap.

I am currently looking for the cheapest option.

So should I just buy a used/rebuilt transmission with a warranty? Or should I have my transmission rebuilt?

I have found a used transmission with a 5 year warranty for $2540 and was going to go that route.

Odom: 120k+
Specs on my car:
VF-43 Turbo (been on car for 1 year)
07 STI Intercooler
Catless Turboback exhaust
GS up pipe
Perrin turbo inlet pipe
GS crank pulley
walbro 255 fuel pump
TGV Delete

ProTuned. Estimated making ~280 hp, and 300+ tq on a hot, humid day.

Thanks for reading! Any advice would be greatly appreciated.
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Last edited by bananarex; 08-30-2015 at 03:31 PM.
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Old 08-30-2015, 09:50 PM   #2
Loyale93
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Take it to a transmission shop and tell them to fix your car.

Yes, you can do an STi swap, but that's a lot more than just a transmission. And since you want the cheapest route, not recommended.

Find your local Subaru shop and tell them to give you a new/used transmission. That will be the cheapest and quickest option.
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Old 08-30-2015, 10:36 PM   #3
575rider
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You don't just buy a transmission and install it. You need to make sure it has the same final drive or you'll destroy the rear diff and potentially the center diff too.
You can do a 6spd swap, but like Loyale stated, that isn't the cheapest route. Tons of info on this swap and repair, do a little research and decide what works best for your wallet and long term plan with the car.
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Old 08-31-2015, 01:04 PM   #4
bananarex
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Blue

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Loyale93: Alright, I'll see what I can get quoted for...

575rider: Yes, I am aware. I was looking at other forum posts that had all the specifications of different year Subaru WRX transmissions. I am buying another 06 WRX transmission to put in, not just a random year's transmission. Thank you for your comment though.
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Old 08-31-2015, 06:30 PM   #5
Dave D.
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You might look into a JDM non-DCCD swap, not as complicated as a full swap. I was able to keep most everything else stock, including original axles, brakes and wheel bolt pattern. Disadvantage is higher cruising rpm, but it's a fun, durable unit.
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Old 08-31-2015, 10:13 PM   #6
575rider
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Santa Cruz Bronson-Carbon

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Quote:
Originally Posted by bananarex View Post
Loyale93: Alright, I'll see what I can get quoted for...

575rider: Yes, I am aware. I was looking at other forum posts that had all the specifications of different year Subaru WRX transmissions. I am buying another 06 WRX transmission to put in, not just a random year's transmission. Thank you for your comment though.
Many have gotten it wrong. Since you had only written 'buying a tranny with a warranty', I was clarifying to save you a potentially expensive headache.

If you plan on keeping the car for awhile look into a 6spd swap. It sure is nice and may save you from replacing another 5spd.
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Old 09-03-2015, 10:17 PM   #7
bananarex
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Quote:
Originally Posted by Dave D. View Post
You might look into a JDM non-DCCD swap, not as complicated as a full swap. I was able to keep most everything else stock, including original axles, brakes and wheel bolt pattern. Disadvantage is higher cruising rpm, but it's a fun, durable unit.
Dave, what all did you have to change? other than the transmission? and any idea on where I would get one?
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