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#487803 - 02/16/08 06:34 PM
1956 Dynaflow park problem
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Roger Barrett
New Member
Registered: 02/12/08
Posts: 1
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Hello folks,
I need some help with a current project. We're working on a 1956 46C. It came to us with several problems. One was a slipping park pawl. The pawl was badly worn and I assumed this was due to improper adjustment. An NOS pawl was obtained and installed, paying special attention to adjustment procedures outlined in the Buick service manual of both internal and external linkage. Park is now very secure. So secure, in fact, you can't get it out of park if the pawl has any load to speak of on it. I've had to jack up the car to take the load off the driveshaft to get it out. Any suggestions? The book says to tweak the adjustment on the side of the case until you can hear the pawl click when you turn a wheel then back it of until it doesn't. No help there. I don't want to back it off too far and recreate the original problem. Any help would be very much appreciated.
Regards,
Roger Barrett BCA #99
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#491312 - 03/01/08 01:13 PM
Re: 1956 Dynaflow park problem
[Re: Roger Barrett]
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Howard Purvis
Member
Registered: 08/23/01
Posts: 61
Loc: Portland, Oregon
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Roger,
You're right on track with this. You just have to accept the fact that the pawl is difficult to disengage whenever there is a load against it. The only way around it is to set the parking brake first. I have often given the lever a quick, firm, downward thrust, however, without hurting anything - but it always makes me wince.
Howard Purvis
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#491322 - 03/01/08 02:02 PM
Re: 1956 Dynaflow park problem
[Re: Howard Purvis]
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Jim_Cannon
Member
Registered: 08/25/06
Posts: 235
Loc: Spring, TX
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I agree with Howard, Roger.
I always do the following:
Move selector from D to N
Remove foot from service brake for a second to allow car to settle (if on reasonably level ground, of course) then reapply
Apply parking brake
Move selector to Park.
I try to keep pressure off of the parking pawl under normal conditions and rely on it only as backup.
A note of warning: if you have not been using the parking brake regularly, it might bind and not fully release after you apply it. Check that out before you start using it again. I had that problem when I first got my Riviera because previous owner never used parking brake in 25 years.
_________________________
Jim '29 Ford Model A Phaeton (MARC #71406) '63 Riviera, Fawn Mist, Saddle Leather (ROA #9774) Jim's 1963 Riviera
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