brake booster location? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 01-15-2009, 01:30 AM
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brake booster location?

can someone point me to where the brake booster cable is located in my 98 4 runner. i want to pour seafoam down it! thanks

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#2 Old 01-15-2009, 01:38 AM
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The rubber hose that goes into the right side of the brake booster, right next to the master cylinder. There is no cable.

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#3 Old 01-15-2009, 12:08 PM
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any pics?

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#4 Old 01-16-2009, 01:41 AM
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Sorry, no pic! Might do a search, others might have put up pics on the subject.

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#5 Old 01-16-2009, 10:23 AM
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A brake booster works off of engine vacuum, why in the world would you want to pour seafoam i to it ??

SEARCH before asking
84 4Runner rockcrawler - ARBed 5.29's, 36" TSLs, dual t-cases w/ 4.7 crawler gear, Chevys, 30 spline Marlins
83 p/u trail rig - Buick 231 V6, Weiand intake, Holley 4 bbl, TH-350 auto w/700R4 low gearset, dual tanks ...
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#6 Old 01-16-2009, 12:20 PM
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I believe he is thinking about using the vacuum hose to the brake booster to suck the seafoam in.

Here is a diagram for the booster, you are probably looking for the vacuum hose at the upper left corner of the page: http://www.*******.com/fsm/2000/Repa...oster/comp.pdf.

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#7 Old 01-16-2009, 05:14 PM
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yes that is correct i need to suck it in. im still confused on where it is, i wonder if i took a pic and had yall circle it, if that would help me out more.

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#8 Old 01-16-2009, 07:19 PM
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Can't you tell by the diagram above on what the booster looks like and the vacuum hose that you are looking for?

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#9 Old 01-20-2009, 09:05 PM
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Dude, it's the big round thing 8-10" in diameter the master cylinder is bolted to, right in front of the steering wheel, but on the other side of the firewall in the engine compartment.

SEARCH before asking
84 4Runner rockcrawler - ARBed 5.29's, 36" TSLs, dual t-cases w/ 4.7 crawler gear, Chevys, 30 spline Marlins
83 p/u trail rig - Buick 231 V6, Weiand intake, Holley 4 bbl, TH-350 auto w/700R4 low gearset, dual tanks ...
89 4Runner - stock
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#10 Old 01-24-2009, 06:50 PM
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If you can`t find the brake booster and vacuum line going to it, then i would recomend that you not try to work on it or do anything to it.

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Gathering parts, getting ready to build it.
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#11 Old 01-24-2009, 08:40 PM
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i found it and ran seafoam through it twice. its still spewing out white smoke days later hahaha

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