| [ Total Views: 809 | Total Replies: 9 | Thread Id: 97204 ] |
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 snitz
Wolfsburg Wizard
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 posted on June 1st, 2012 at 04:41 PM |
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REAR BRAKES DRAGGING AND GETTING HOT ON 1970 BEETLE..
We are in the process of running in the wifes new motor and have been running into problems with the rear brakes dragging.When the car is cold its
fine..but the further you drive they seem to drag more and more to the point they're SMOKIN.. . Could this be caused from rust on the drums ( The car has been in storage for 7 years) and also do the rear drums
self-adjust when the wheels roll in reverse?..any help will be great..cheers Jason.
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66brm
Seriously Crusin Dubber
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| posted on June 1st, 2012 at 04:53 PM |
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Dragging drums can be a sign of deteriorated flexible brake lines, and no they don't self adjust, they need to be adjusted with a screw driver on the
star adjuster within the brake assembly
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snitz
Wolfsburg Wizard
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| posted on June 1st, 2012 at 05:04 PM |
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I backed off the Right Rear shoes yesterday and that side remained cool today..So dunno..might just back the left one off and see how I go?..How can
the rear flexible lines cause the rear brakes to drag?..sorry for my ignorance. 
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Sides
A.k.a.: Dave Sidery
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| posted on June 1st, 2012 at 05:10 PM |
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Yeah, my thinking is the lines... with age they can begin to come apart internally, and effectively become blocked and not let the fluid return back
to the master cylinder.
End result - brakes drag.
Slacking the adjustment off can help, but be careful or you'll end up with no rear brakes at all.
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snitz
Wolfsburg Wizard
Posts: 605
Threads: 37
Registered: September 28th, 2008
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Location: Adelaide.. the defect and taser state..
Theme: UltimaBB Psyche Red
Mood: "Bug"gered
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| posted on June 1st, 2012 at 05:37 PM |
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Just spoke to our VW mechanic and booked it in for whatever it needs..such as new rear lines, wheel cylinders,shoes and drums.
I think after 7 years in storage with the hand brake on some things are going to need some TLC plus I dont want to muck around with brakes seeing that
it now has a stout 1916 in it now and not a clapped out 1500 SP anymore.. we have spent too much coin on the car to lose it to a potential brake
failure.
Thankyou for your replies people!..
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OZ Towdster
A.k.a.: Andrew Westwood
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| posted on June 1st, 2012 at 05:43 PM |
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You beat me to it but yes
After 7 years sitting i'dd be pulling down every part of the brake system and replacing all parts that have fluid in them except for the hard lines (
replacing them if nessasary )
As brake fluid has a high percentage of water and any other values of the oldbrake fluid wil be well and truley gone by now it is more than likely
all your cylinders including master , calipers and slaves are corroded which is now tearing hell out of all the internal rubber seals in the before
mentioned items .
So at this point i would cease driving the car or the new motor is going to looking for a new home shortly when all those rubber seals fail and the
car is unstopable except for whatever is in front of it .
Don't let body work get in the way of real suspension travel
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snitz
Wolfsburg Wizard
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| posted on June 1st, 2012 at 06:29 PM |
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Yep..exactly what I was thinking..lol.
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snitz
Wolfsburg Wizard
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| posted on June 5th, 2012 at 06:20 PM |
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Brakes all fixed and running sweet..!!!!!. Diagnosis was blocked front L&R brake hoses, Rear Brake Cylinders seized,So new front brakes lines,new
brake shoe linings,new brake cylinders and dot 4 brake fluid flush..Its brakes better than it ever has. Makes us wonder how long they have been
knackered for.
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OZ Towdster
A.k.a.: Andrew Westwood
Custom Title Time!
Keen to finish some projects
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| posted on June 5th, 2012 at 06:28 PM |
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Good to hear , so get out of here , and have some fun putting some miles on that 1916
Don't let body work get in the way of real suspension travel
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snitz
Wolfsburg Wizard
Posts: 605
Threads: 37
Registered: September 28th, 2008
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Location: Adelaide.. the defect and taser state..
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Mood: "Bug"gered
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| posted on June 5th, 2012 at 06:55 PM |
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Hell Yeah!!..The wife refuses to drive it at the moment because the Berg shifter freaks her out..lol...So I'll put some kays on it and get her to
drive it out away from the suburbs so she can get some confidence up again. I keep telling her its just a shifter with a handle instead of
knob!!!.Shes getting soft in her old age..
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