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Rear bonnet seal

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Rear bonnet seal
#1
  This topic is about my 1966 Triumph TR4A
Perdido Avatar
Perdido Gold Member Rut Rutledge
Tuscaloosa, Alabama, USA   USA
Trying to figure out the orientation of the rear bonnet seal, does the lip face forward or back? If it's facing forward it rests on the bonnet bracing and if it faces to the rear it fits snugly between the bonnet bracing and the rear edge. Piggott's book shows the lip facing forward, but that jacks up the bonnet. Thoughts?
Thanks, Rut

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twomanytriumphs Avatar
twomanytriumphs Gold Member Kyle Darby
Kelso, Washington, USA   USA
1965 Triumph TR4 "My Baby"
1966 Triumph 2000 MkI "Bessie"
1970 Triumph GT6+ (MkII) "The Princess"
1977 MG MGB
Mine have always faced with the lip back. Kyle.

Perdido Avatar
Perdido Gold Member Rut Rutledge
Tuscaloosa, Alabama, USA   USA
In reply to # 1489735 by twomanytriumphs Mine have always faced with the lip back. Kyle.

Kyle,
Thanks for confirming this...mine was installed the other way round and the bonnet didn't close right.
Rut

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Trike4 Avatar
Trike4 Marcus G
Brighton, Michigan, USA   USA
1963 Triumph TR4
1963 Triumph TR4 "Trike"
I think the new seals are too stiff. My guess is the originals were soft enough to allow the bonnet to come down and align with the body. Not sure what the fix might be. Yes. lip faces back

Perdido Avatar
Perdido Gold Member Rut Rutledge
Tuscaloosa, Alabama, USA   USA
Marcus,
Thanks for your reply! Lots of little things left to do, but making good progress!
Rut


Attachments:
IMG_0362.JPG    52.6 KB
IMG_0362.JPG

Milpitas, California, USA   USA
1963 Triumph TR4 "Merlin"
My '63 Tr4 has that particular seal installed with the lip facing forward, I think the seal is installed in that orientation to help the seal contain the fumes/smells from the engine compartment.
Yes, I did replace the seal, but I installed the new seal in the same orientation as I found the old one.
And yes that is a '63Tr4 engine with a Tr4A PCV system and coolant recovery bottle, etc.
M.


Attachments:
Tr4 '63.jpg    60 KB
Tr4 '63.jpg

Orientation of rear bonnet seal lip.jpeg    72 KB
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