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1948 22nd Series : Damper to rear sway bar
#1
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Michael Evans
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My RHD 1948 Packard 22nd Series Six has a damper to the chassis end of the rear stabilizer bar (anti roll bar) - is this a thing fitted to all Series 22 cars or just to the "colonial" cars bound for Africa and other remote outposts with BAD or NON-EXISTENT roads of the world as they existed back in 1948 ?

Posted on: 2014/10/30 9:59
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Re: 1948 22nd Series : Damper to rear sway bar
#2
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Owen_Dyneto
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The use of a hydraulic rear sway bar goes back to prewar on Packard. For 22nd series the parts book gives a single part number for use on all 22nd series chassis and 2302, 2306, 2313, 2332 and 2333. There is a separate part# listing for RHD 23rd series cars (2301 only).

Posted on: 2014/10/30 10:16
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Re: 1948 22nd Series : Damper to rear sway bar
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HH56
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Believe a version of that horizontal hydraulic rear stabilizer was on most if not all Clipper based bodies from introduction with 41 Clipper to the end of production with the various 23rd series models.

Posted on: 2014/10/30 10:17
Howard
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Re: 1948 22nd Series : Damper to rear sway bar
#4
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Michael Evans
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Thanks Howard

Much appreciated - now I know all 22nd Series have 'em I can ask the next thing on my mind - the damper is leaking so I presume there is a seal similar to those on a telescopic shock absorber ? if so how do I take the thing apart to repair the seal ? or is it a sealed unit that has to be thrown away and replaced ? Here's a photo with the offensive "thing" just showing behind the telescopic shock absorber - seems to have a rubber bump stop on top ?

Best regards Michael

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Posted on: 2014/10/30 10:35
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Re: 1948 22nd Series : Damper to rear sway bar
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Owen_Dyneto
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I see no listing of service parts for them but there is a repair service for them now, I believe it's via Ron Carpenter.

Posted on: 2014/10/30 10:38
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Re: 1948 22nd Series : Damper to rear sway bar
#6
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HH56
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Unless the photo is flipped, it is interesting that everything seems to be reversed on the RHD cars. The one on my Clipper has the hydraulic on the Right frame rail and the long end to the left spring shackle. There was a guy who said he repaired his by cutting the old off and replacing with a Ford Pinto shock. Had to make some kind of adapter to connect the shock rod to the remaining long portion. From photos I could find of Pinto shocks not quite sure how he did it. As expensive and hard to come by as they are it would probably be safer to have them rebuilt by a professional.

Posted on: 2014/10/30 10:58
Howard
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Re: 1948 22nd Series : Damper to rear sway bar
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Michael Evans
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Thanks Howard

So if mine is not just serviceable (?) it can be "re-built by a Specialist" - that means I have to find someone in the UK who can do this for me - so the search is on.

Never mind after 5 years I MUST be getting near to the end where she looks pretty good and also starts, runs AND gets to Shows and fingers crossed she gets back home. We'll see.

Best regards ('til the next time !) Michael

Posted on: 2014/10/30 12:14
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Re: 1948 22nd Series : Damper to rear sway bar
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JWL
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I have heard of a couple of owners of 22nd series cars installing air shock absorbers to lessen the lean and wallowing of the rear suspension. They seem to be most pleased with the results.

(o{}o)

Posted on: 2014/11/3 12:43
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Re: 1948 22nd Series : Damper to rear sway bar
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Michael Evans
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I have now got the whole thing off the car - photos show that we have put the "THING" into a vice and taken out a self-tapping screw which seems to be for putting in new oil ? (very strange begging the question "do other owner's cars have this screw" ?) - we have put oil in and for a while we thought we had got the problem sorted as we had good pressure when moving it inwards then out again - but no in a short time the pressure stopped and actually the oil seems to leach out of the whole body of the hydraulic unit !!! - is this possible that the whole unit is so old and past it's life that the oil can just soak out ? Answers please.

We have taken on board the suggestion that we graft on some sort of spring or an adapted shock absorber but this sounds pretty far fetched - if someone has done this then let us all into the secret of how please ?

Most conventional sway bars (anti roll bars in the UK) do NOT have a hydraulic piece at one end like these on my Packard - could it be that a more simple way to overcome my problem would be to do away with the hydraulic bit and adapt the rest to a conventional sway bar ?

Look forward to any and all comments please.

Best regards Michael

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Posted on: 2014/12/18 12:32
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Re: 1948 22nd Series : Damper to rear sway bar
#10
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HH56
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My 47 unit does not have the screw. It is possible the seals or bushings have deteriorated and fluid just leaks out like usually happens with the front shocks. No idea what kind of seal is in the thing.

The only repair I have heard of other than sending in for a professional rebuild was one fellow adapted the tube to accept a short conventional shock. He cut the tube off at an appropriate spot and welded a nut or threaded bushing into the tube to accept one end of the shock. He mentioned using a Ford Pinto shock but I couldn't find the number he gave. As long as the shock is fairly short and has threaded stems on each end for mounting, I expect most of that type could be adapted. A question I have would be what kind of dust shield -- was it a tube built onto the shock that went over the rod or horizontal bar or some kind of rubber bellows that would need to be attached. With one end of the shock mounted to the bar, the other end used the conventional rubber bushings on its stem & mounted to the frame bracket like a normal attachment.

I'll have to look for the official Packard description of exactly why they thought this hydraulic shock was better than a conventional sway bar. It probably does the same thing -- keep body side to side movement to a minimum because of the narrow springs -- but I believe this was a more controlled method for better ride quality.

Posted on: 2014/12/18 13:21
Howard
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