| [ Total Views: 550 | Total Replies: 5 | Thread Id: 94269 ] |
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 vwsteve
A.k.a.: steve
Veteran Volks Folk
karmann crazy
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| posted on December 12th, 2011 at 08:58 AM |
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Brake booster rebuild (how to)
I am currently putting all new brakes on my kombi and decided on a new booster as well as the pedal slowly fades at certain times but no fluid leaks,
as i was replacing everything i noticed the new booster is not the same and wont bolt up so after my annoyance subsided i decided to have a closer
look at my booster and started to unpick the original press joins to have a look inside.
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1 1963 356b porsche coupe
2 1960 karmann ghia cab
1 1965 karmann ghia cab
1 1966 karmann cab
1 1961 split ute
1 1967 split p/van
1 1952 standard bug
1 1963 ragtop
1 1960 ragtop
2 1954 ovals
1 1956 oval baja project
1 1957 oval flying flea
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vwsteve
A.k.a.: steve
Veteran Volks Folk
karmann crazy
Posts: 2087
Threads: 200
Registered: July 25th, 2006
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Location: Redcliffe QLD
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| posted on December 12th, 2011 at 09:02 AM |
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The problem with mine is there was a buildup of rust inside at the seams due to a previous fluid leak i assume, the rubber diaphram look ok so i
started cleaning up the rust inside and re etch primed it, the centre piece was actually bare metal never primed so i put a coat on it as well, i will
take more pics when back together.
the below tool is what i used to pry it appart after i used a chisel to separate the joins a little
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1 1963 356b porsche coupe
2 1960 karmann ghia cab
1 1965 karmann ghia cab
1 1966 karmann cab
1 1961 split ute
1 1967 split p/van
1 1952 standard bug
1 1963 ragtop
1 1960 ragtop
2 1954 ovals
1 1956 oval baja project
1 1957 oval flying flea
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grumble
Son of Jim - Creator of Good
Posts: 2668
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Location: Taree
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| posted on December 12th, 2011 at 10:20 AM |
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Your pry tool looks like an old falcon or chrysler hubcap removal tool, i used a couple of these in the workshop for grease cap removal and various
other jobs.
If the pedal sinks slowly it is usually a leak past the cups in the master cylinder which will explain no fluid loss,a booster vacuum leak will give
a rock hard pedal as there is little or no assistance. Cheers Les
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vlad01
Compulsive Aussie Vee Dubber
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| posted on December 12th, 2011 at 10:21 PM |
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yeah what he said about the rock hard brakes and the sinking pedal being stuffed piston seals in the MC
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vwsteve
A.k.a.: steve
Veteran Volks Folk
karmann crazy
Posts: 2087
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Registered: July 25th, 2006
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Location: Redcliffe QLD
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| posted on December 13th, 2011 at 08:58 AM |
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oh well, at least my booster is rust free and clean inside again
1 1963 356b porsche coupe
2 1960 karmann ghia cab
1 1965 karmann ghia cab
1 1966 karmann cab
1 1961 split ute
1 1967 split p/van
1 1952 standard bug
1 1963 ragtop
1 1960 ragtop
2 1954 ovals
1 1956 oval baja project
1 1957 oval flying flea
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vwsteve
A.k.a.: steve
Veteran Volks Folk
karmann crazy
Posts: 2087
Threads: 200
Registered: July 25th, 2006
Member Is Offline
Location: Redcliffe QLD
Theme: UltimaBB Pro Navy
Mood: Busy!
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| posted on December 14th, 2011 at 09:34 AM |
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All back together again, bolted it back up last night
my 2 yr old son was nice enough to lose the pin which joins the booster to the pedal
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1 1963 356b porsche coupe
2 1960 karmann ghia cab
1 1965 karmann ghia cab
1 1966 karmann cab
1 1961 split ute
1 1967 split p/van
1 1952 standard bug
1 1963 ragtop
1 1960 ragtop
2 1954 ovals
1 1956 oval baja project
1 1957 oval flying flea
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