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05-27-2008, 11:01 AM | #1 |
2004 mustang Mach 1
Join Date: Jan 2005
Location: Virginia Beach, VA
Posts: 352
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Hydroboost leaking under dash!
Anyone have their brakebooster leaking powersteering fluid uner the dash on them yet. Ive only got little under 50,000 miles on an 04 and its already leaking. Noticed it yesterday while cleaning her up. Since I dont drive it much anymore Im not sure when it started leaking. You can watch it when you hit the brakes about a drop comes out every time you release the brakes.
Anyone have any advice on fixing this. I imagine Ive got to take it all apart to reseal it which totally sucks. Isnt this a bit rare to be leaking already? Im so PO'd about this. Theres no way of doing this without makeing a huge mess everywhere. Just a thought. Does not driving it much cause the seals to possibly dry up some making them prone to leaking? I would go about 1 month at a time not driving it then would drive it for about a week.
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2004 Mustang Mach 1 Competition orange IUP upgrade MODS: -JLT Ram Air kit -Triple Gauge pod (painted to match) -Colbalt 2 gauges (oil pres. ,water temp, fuel pres.) -MAC Catted Pro-chambers -PHP Intake spacer -SLP Loudmouth II Cat-back -Diablo Predator custom tune -Plasma Booster -NGK Iridium Spark Plugs -MGW Shifter w/ red handle -Kenny Brown Matrix Subframe System -Ford Racing Aluminum Drive Shaft -UPR clutch quadrant extreme w/firewall adjuster Cant fit anymore |
08-21-2012, 10:06 PM | #2 |
Registered User
Join Date: Feb 2007
Location: St. Petersburg, FL
Posts: 959
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Re: Hydroboost leaking under dash!
Old thread but I'm having the same issue. Do I repair or replace it?
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11-27-2012, 10:51 PM | #3 |
I lack discipline.
Join Date: Nov 2005
Location: U.S.A.
Posts: 184
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Re: Hydroboost leaking under dash!
I have about 26,000 miles on my 2003 Mach1 and my hydroboost unit recently developed a power steering fluid leak. I was preparing to replace the unit with a new one but luckily discovered that the 7/8" bolt on the side of it, which is easily accessible thankfully, was loose. I threw an end wrench on that bolt and gave it almost half a turn. To my surprise and delight, the fluid leak immediately stopped after the bolt tightened up.
Those with a similar leak might want to check this bolt before doing anything else.
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2003 TVS 298ci Mach1 < 100 RWHP |
11-28-2012, 07:37 PM | #4 |
Registered User
Join Date: May 2004
Location: Orlando, FL
Posts: 311
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Re: Hydroboost leaking under dash!
My booster is also leaking power steering fluid. Looks like from the top left (looking at from front) bolt is seeping fluid. I used a flash light and looks like a small crack on the ear of the booster that attaches to the firewall. I'll try to tighten it up and see what happens. If there is a crack it may not stop it. Sucks I have never touched that thing. I have some PC Cam covers that haven't gone on because of it. They may go on now!
Has anyone found a crack?
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2004 Ford Mustang Mach 1 assembled at Dearborn Assembly Plant on 03/26/2004 This vehicle is serial #5929 of build of 7182 and is one of 1039 manufactured in Dark Shadow Grey |
12-09-2012, 03:49 PM | #5 |
Registered User
Join Date: May 2004
Location: Orlando, FL
Posts: 311
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Re: Hydroboost leaking under dash!
Well took into the dealer. Sure enough needed a new booster. $800 later wow! what a difference. I steering and brake feel must tighter. Sucks to spend the funds but what a difference.
It didn't turn off my ABS light. So I picked up a used ABS module and swapped it out my self (2 hrs). Easily done with out disconnecting any fluid lines. just drop the bracket by 5 bolts. tools needed swivel, extensions and small hands.
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2004 Ford Mustang Mach 1 assembled at Dearborn Assembly Plant on 03/26/2004 This vehicle is serial #5929 of build of 7182 and is one of 1039 manufactured in Dark Shadow Grey |
07-25-2014, 03:48 PM | #6 |
Got Boost?
Join Date: Mar 2004
Location: Central NJ
Posts: 702
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Re: Hydroboost leaking under dash!
My brake pedal has been rock hard for years since removing the cooler line to make room for the ProCharger intercooler... Apparently something happened to my hydroboost because I now notice its leaking under the car, but behind the firewall. I was told to replace the unit, looks to be about $200.
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