transbreak creaps

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PROESC
Posts: 2
Joined: Sat Nov 07, 2009 4:32 pm
Location: australia

transbreak creaps

#1 Post by PROESC » Sat Nov 07, 2009 8:53 pm

we have a problem with the brake not holding the car, just wondering on ideas to look for the car is a 65 impala 950hp 565 with a glide, as soon as the brake is engaged and the foots of the brake it creaps forward any help would be appreciated thanks wayne

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vegaracer
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Location: Wyoming, Ontario, CANADA

Re: transbreak creaps

#2 Post by vegaracer » Sat Nov 07, 2009 10:04 pm

My car will do that if I don't rev the motor up a bit before engaging the trans brake. The band that the trans brake activates may need to be adjusted as well.
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PROESC
Posts: 2
Joined: Sat Nov 07, 2009 4:32 pm
Location: australia

Re: transbreak creaps

#3 Post by PROESC » Sun Nov 08, 2009 4:48 am

the motor does get a rev and the band is backed of a half turn from being nipped up
thanks for the reply

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Moparious Maximus
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Re: transbreak creaps

#4 Post by Moparious Maximus » Sun Nov 08, 2009 10:40 am

If its creeping forward the low gear band is not slipping, the reverse clutch is.
'63 Plymouth, Straight axle, Leaf springs, Drum brakes, 31x10.5wx15 Rears 3215lbs
Best time to date 7.99 @ 170 mph
572" Wedge 8-71 @ 28% OD, ALKY, Glide, Dana

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wikd69
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Re: transbreak creaps

#5 Post by wikd69 » Sun Nov 08, 2009 3:23 pm

Moparious Maximus wrote:If its creeping forward the low gear band is not slipping, the reverse clutch is.
Concur.

What pressures are you running in the trans ? And/or, is the transbrake solenoid activating fully ?
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
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jmarkaudio
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Re: transbreak creaps

#6 Post by jmarkaudio » Sun Nov 15, 2009 11:07 am

Check pressures, should be at least 200 psi with a brake.
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