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Old 07-19-2003, 05:35 PM   #1
element533
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Member#: 37575
Join Date: May 2003
Location: San Francisco, CA
Vehicle:
2012 WRX Std 4D
Blue

Question Upgrading brake fluid to DOT 4

Does anyone know of a good brake bleed guide? All I currently have to go off is the Subaru service manual, which is far from verbose.
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Old 07-19-2003, 06:36 PM   #2
vile
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Location: formerly known as mem. # 10615
Vehicle:
'02 t-rex wagon
platinum

Default

for something cheap and good, use valvoline synpower brake fluid

as for bleed order, for the wrx, it's:

RF
LR
LF
RR
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Old 07-20-2003, 09:20 AM   #3
ImprezaVA
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Location: Elkton, VA
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1998 Impreza L-SOLD
Arcadia Green

Default DOT 4 vs. DOT 3

Another Subaru enthusiast told me that DOT 4 gets dirtier quicker than DOT 3. Yes, we all know that DOT 4 has a higher boiling point, but be prepared to change it more often. Growing up, I never remembered being around many people who actually maintenance their brake fluid besides a top off. I guess Subaru owners are more meticulous with their cars than most. Good luck with your project.

-Charles-
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Old 07-20-2003, 10:09 AM   #4
dpmurraygt
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DOT4 fluids generally absorb water more quickly than DOT3.

Make sure you look at wet and dry boiling points for the fluid you buy - and don't choose one based on dry boil point alone.
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Old 07-20-2003, 11:18 PM   #5
vile
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Default Re: DOT 4 vs. DOT 3

Quote:
Originally posted by ImprezaVA
Another Subaru enthusiast told me that DOT 4 gets dirtier quicker than DOT 3. Yes, we all know that DOT 4 has a higher boiling point, but be prepared to change it more often. Growing up, I never remembered being around many people who actually maintenance their brake fluid besides a top off. I guess Subaru owners are more meticulous with their cars than most. Good luck with your project.

-Charles-
get yourself some speed bleeder screw, i can bleed my brakes by myself in under 30 minutes
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Old 07-21-2003, 10:06 AM   #6
ImprezaVA
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1998 Impreza L-SOLD
Arcadia Green

Default bleeding brakes

I was thinking about getting a one-man bleeder/vacuum pump. I'm not taking any brake lines apart so this isn't something of high priority at the moment. I've read about those speed bleeders and its good to see that they actually work pretty well.

-Charles-
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