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Old 01-18-2013, 03:57 PM #1
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Booster Pump Replacement
My 2003 4runner has a bad booster pump assembly. How hard is it to replace this? The dealer want $3000. I want to do it myself to save some money. Thanks
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Old 01-18-2013, 05:00 PM #2
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Quote:
Originally Posted by psu1987 View Post
My 2003 4runner has a bad booster pump assembly. How hard is it to replace this? The dealer want $3000. I want to do it myself to save some money. Thanks
I have seen a few wrecked runners around my area...my thoughts are to try and pull a Brake Booster unit out of it for a spare...I may do the same just in case I get this issue too.

not sure if it can be done easily but its not a serviceable part so it needs to be fully replaced...Good Luck
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Old 01-18-2013, 05:44 PM #3
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I'm sure Blackworks will chime in soon. I'm pretty sure he has swapped out a few and could tell you everything you need to know. I wanted to do it myself but I believe you are supposed to have a toyota scan tool or atleast the program so that once the unit is actually installed it can bleed the solenoids in the unit individually. I'm not 100% on that but Blackworks will know for sure.
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Old 01-18-2013, 05:47 PM #4
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Quote:
Originally Posted by zonianbrat View Post
I'm sure Blackworks will chime in soon. I'm pretty sure he has swapped out a few and could tell you everything you need to know. I wanted to do it myself but I believe you are supposed to have a toyota scan tool or atleast the program so that once the unit is actually installed it can bleed the solenoids in the unit individually. I'm not 100% on that but Blackworks will know for sure.
I recently purchased a oem service manual for my 2009 4runner. 5 huge books plus wiring diagram. Once it comes in I'll see what is needed to bleed the system.
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Old 01-19-2013, 11:56 AM #5
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Chmura what are you getting for symptoms from the pump? Buzzing or constant cycling and how long does it cycle? Etc..
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Old 01-19-2013, 12:44 PM #6
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Book say the OEM parts will run $1600 for the Motor & Accumulator Assembly
#4707060030 and 1.9 hours to replace.

You can see the full instructions in the Brakes and Traction Control » Antilock Brakes / Traction Control Systems » Hydraulic Control Assembly - Antilock Brakes section of the FSM.

http://tinyurl.com/8z2bmm2




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Old 01-19-2013, 01:22 PM #7
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Quote:
Originally Posted by cabowally View Post
Book say the OEM parts will run $1600 for the Motor & Accumulator Assembly
#4707060030 and 1.9 hours to replace.

You can see the full instructions in the Brakes and Traction Control » Antilock Brakes / Traction Control Systems » Hydraulic Control Assembly - Antilock Brakes section of the FSM.

http://tinyurl.com/8z2bmm2




.
Those are good instructions, I also made a thread that had pictures to help people who wanted to tear down the unit themselves.



If you're sure that its the accumulator pump/tank section of the unit you see if http://www.villagetoyotaparts.com/ (A website I like to use for parts quotes and orders) sells the components separately, then you can use the guide & FSM to replace that section of the unit.

I will warn you ahead of time though, that after you've reinstalled the unit. It needs to go to the dealer or someone with a factory capable scantool to do a proper computerized bleeding process to bleed the 4Runner properly.
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Old 01-19-2013, 08:52 PM #8
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Thanks for all the help. I found a salvage Booster pump motor and accumulator for $275.00. I'll give it a shot a lot better than $3000.
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Old 05-14-2013, 12:29 PM #9
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Any update on this?

Thanks!

BlackWorks' post here: HydraBoost Brake Assembly
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Last edited by ME08Runner; 05-14-2013 at 12:34 PM.
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