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37coop
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-- 04-28-2013 @ 1:40 PM
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h*llo...my newly imported into the u.k 1951 f1 truck.sorry but more questions to ask on my truck...everytime I look to do something it appears to create a problem,i bought this truck off ebay usa as a clean tidy daily user and shipped it to here ,clean and tidy it is but a user I don't think so , the pitfulls of buying "blind" and trusting the seller .the truck is on axle stands with the wheels off ,while I applied the brake pedal my son levered the wheels to see if they would turn ,the rear brakes would not turn with the pedal down but the front would very easily spin by hand ,I topped it with fluid as the master cylinder was empty,i got a firmer pedal but with the hubs off the front the brake shoes would not move and taking the bleed screws out no fluid would even drip out of either of the front cylenders with my foot firmly on the pedal...the puzzle to me is I can maybe understand one cylinder being duff but both seems strange , I,m going to rebuild the whole brake system with new cylenders etc ,but I cant understand what could be wrong for this to happen , any ideas ? ,thanks jim.
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supereal
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-- 04-28-2013 @ 1:59 PM
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It appears that the fluid circuit to the front cylinders is plugged somewhere between the master cylinder and the wheels. My best guess is the the rubber hoses to the wheels have probably swelled shut. Often, when that happens, someone has added the wrong, or old fluid, to the system. One of the first jobs when I tackle an old vehicle is to pull the whole braking system apart. It is too important to leave to chance. You will likely find wheel cylinder pistons stuck in the bores if the pedal doesn't move the shoes. Adulterated or water contaminated fluid is responsible for that. Finally, follow all the steel brake lines to the front that serve both sides to be sure that there are no kinked or flattened portions or signs of repairs. I suspect the seller of the truck probably knew there was a problem. Not all sellers are suspicious, but we see plenty of disappointed buyers at our shop who were deceived about their purchase.
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37coop
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-- 04-28-2013 @ 2:43 PM
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thanks super ,strange ,the seller has put on the truck 2 new rear hubs and shoes ,4 new wheels and new coker whitewalls,a new bed and floor ,new interior and has obviously spent serious money on the truck and he leaves the brakes in a dangerous state and with a seized handbrake mechanism,i think it has been stored for a long time and made to look good (which it does)to move it on on ebay ,I,v got to go through the steering yet ,I don't know what problems that will bring . Im still pleased I bought it and didn't pay an arm and leg for it I,m just frustrated it has become another project as I,v got them coming out of my ears,oh well ,onwards and upwards ,I dare say I will be asking more questions ,thank god for the fantastic forum , cheers jim.
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supereal
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-- 04-28-2013 @ 6:02 PM
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Happy to help. As with others who who post here, diagnosing problems where we can't see the vehicle is, as my father used to say "is like judging a pig in a barrel". All of us have become discouraged more than once when problems appear. Just take your time, and back away when you need a break. This is supposed to be fun. Let us know how you are coming along.
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johnschultz
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-- 04-30-2013 @ 8:49 AM
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Follow superreals suggestions. All vintage cars with hyd, brakes have either been rebuilt or need rebuilding. My rather identical problem with a 48 Ford pickup turned out to be a faulty rubber hose that looked fine on the outside. Mercedes scheduled service calls for annual fluid changes. Cheers
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37coop
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-- 04-30-2013 @ 1:46 PM
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thanks so much for your support and advice ,believe me I,v taken all advice on board. I,m going for broke on this vehicle ,its got 80000 on the clock and the front end looks it so its all new brakes ,kingpins etc and steering,the truck looks good but safety first every time for me,a bit of work to do but overall I,m still very happy with my purchase ...again thanks , jim.
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