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Girling dampers TC

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Girling dampers TC
#1
Ricosan Avatar
Ricosan Gold Member Richard Duvall
Tallahassee, FL, USA   USA
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1948 MG C-Type Midget
1948 MG TC
Hey Guys,
I’ve had my ‘48 TC for about a month now. I’ve put about 100 miles on it so far. The problem I’m having is when I pass over a bump I get a loud crashing sound from the rear. I thought it might be the dampers so today I removed the right rear wheel to inspect the dampers and try topping off. I thought sure I would find leaks but to my surprise, they look like they’ve been recently rebuilt. No leaks. I thought they might be low on oil, so I decided I would try to top them off. I unscrewed the bolt at the top and used a seringe to add fork oil. It took only about an ounce before it came out the top. Does this sound right or am I doing it wrong?
Any ideas as to what I should check to track down the crashing sound?
Richard

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Re: Girling dampers TC
#2
hueyhoolihan Huey Hoolihan
Antioch, CA, USA   USA
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you're not carrying your toolbox behind the seatback are you? don't laugh, i've been made to look the fool by lessor oversights.



Edited 2 time(s). Last edit at 2024-05-01 12:19 PM by hueyhoolihan.

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Re: Girling dampers TC
#3
45mit49 Michael Wolf
Ilvesheim, Baden, Germany   DEU
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1949 MG TC
Hallo Richard

die Blattfedern und die Hebel der Stossdämpfer sind in Gummi gelagert.
--- Prüfen, ob die Gummi-Lager noch in Ordnung sind.
--- evtl. ist ein Blatt der Feder gebrochen

Teile Nr.34 282-710 BUSH, rubber, shock absorber link 4
Teile Nr.45 ACA5242 BUSH, spring, (standard) 8

mein TC rumpelt seit 60 Jahren

mfG Michael

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Re: Girling dampers TC
#4
David Mee
Hertfordshire, Hitchin, UK   GBR
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I would check the distance of axle over chassis as it could be weak leaf springs allowing axle to hit chassis and dampers not working .there is a “U” bracket over axle as a safety guard and the space under side of axle to rubber stop on chassis is about 20mm.You can also lift axle by pacing spacers under leaf springs to give you a greater distance and low more damper movement .I would also check dampers as they may not be leaking but they may not be damping .i had this same problem but fixed if as my recommendations 1948 MGTC

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Re: Girling dampers TC
#5
David Mee
Hertfordshire, Hitchin, UK   GBR
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Hope you got my message as I fixed this very problem e,mail me if you need photos or assistance
David.mee7@icloud.com

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Re: Girling dampers TC
#6
Steve S Avatar
Steve S Gold Member
Abingdon, So Cal, USA   USA
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1925 Ford Model T
1937 MG SA Saloon
1939 Ford V8
1946 Other Not Listed    & more
There are too many things that can cause noises like that to diagnose by description. Most likely something in the rear of the car is loose. Check every fastener on every component from the exhaust to the spare tire to the rear axle mounts.

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Re: Girling dampers TC
#7
David Mee
Hertfordshire, Hitchin, UK   GBR
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One serious reason for the bang or load noise hopefully is not the base of the mounting bracket Brocken away on axle as this is a know problem and needs axle removal and to weld a new base plate where the “U” bolds go through and affix the leaf spring . There are details on web sites and forums about the base of bracket rusting away or shearing off and allowing leaf spring to drop

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Re: Girling dampers TC
#8
hueyhoolihan Huey Hoolihan
Antioch, CA, USA   USA
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loose bumper?

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Re: Girling dampers TC
#9
Steve S Avatar
Steve S Gold Member
Abingdon, So Cal, USA   USA
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1925 Ford Model T
1937 MG SA Saloon
1939 Ford V8
1946 Other Not Listed    & more
Generally speaking when this tower fails, the car will drop onto the tire.

In reply to # 4791876 by David Mee One serious reason for the bang or load noise hopefully is not the base of the mounting bracket Brocken away on axle as this is a know problem and needs axle removal and to weld a new base plate where the “U” bolds go through and affix the leaf spring . There are details on web sites and forums about the base of bracket rusting away or shearing off and allowing leaf spring to drop

No bumpers as the good lord intended. winking smiley

In reply to # 4791898 by hueyhoolihan loose bumper?



Edited 1 time(s). Last edit at 2024-05-01 02:03 PM by Steve S.

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Re: Girling dampers TC
#10
Genoa Bay Eric W
Genoa Bay, BC, Canada   CAN
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Check to see if there are any witness marks between an upper leaf and the bottom of the side screen box/inner wing. If so weak or incorrectly arched springs.
Good luck.


1949 TC 9066

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Re: Girling dampers TC
#11
Ricosan Avatar
Ricosan Gold Member Richard Duvall
Tallahassee, FL, USA   USA
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1948 MG C-Type Midget
1948 MG TC
Thanks Guys,
I just got back from the garage. I took the left rear tire off and added about an ounce of oil in the damper. It appears to be full. No indication of leaks. While I was there I looked for anything that was loose. Everything is tight. I saw no signs of rubbing either.
This weekend I plan to put the car up on jack stands and go through from front to back and look for anything that’s loose.
It’s such a loud jarring sound, I should be able to locate it! Do you think it could be the tub?
Richard

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Re: Girling dampers TC
#12
PeterC Avatar
PeterC Platinum Member Peter Caldwell
Madison Wisconsin, USA   USA
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1931 Morris Minor Saloon "Cammy OHC"
1960 Land Rover Series II
1962 MG Midget MkI
1963 Volkswagen Karmann Ghia    & more
Loose damper mounting bolts?


Member Services:
World Wide Auto Parts of Madison www.worldwideimportautoparts.com
Supplying New Old Stock parts for all imports. A LARGE quantity being loaded to our EBAY store stores.ebay.com/worldwideimportautoparts Rebuilding lever shock absorbers for British cars. (608) 223-9400 M-F 9-5 Central or parts@nosimport.com
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Re: Girling dampers TC
#13
MG-TC ROGER FURNEAUX
LIFTON, DEVON, UK   GBR
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1946 MG TC
1981 MG MGB
The other thing to check is the damper mounting plate itself, which can, and does, crack so it not supporting the damper.

Roger
TC0978

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Re: Girling dampers TC
#14
NYTD Avatar
NYTD Gold Member James Neel
Croton on Hudson, NY, USA   USA
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1953 MG TD "Harriet"
Translation:

The leaf springs and the shock absorber levers are mounted in rubber.
--- Check whether the rubber bearings are still OK.
--- a leaf of the spring may have broken


Jim
53TD/28423

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Re: Girling dampers TC
#15
plus4moggie Tom Lange
Bar Harbor, ME, USA   USA
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Unless it's an EXU, there is no bumper on a TC. And most EXU cars have lost theirs, as well - they are not terribly attractive..

Tom Lange
MGT Repair

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