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Transmission Tunnel

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sfovc2003

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I just removed the transmission tunnel on my BJ7. Much to my surprise, it was made of fiberglass and was somehow bonded to the flange on the floor pan without screws. I assume this was some sort of aftermarket patch. Anyone know?
 
Sofvc, Probably just old age and heat.---Keoke
 
According to British Car Specialist in Stocton, CA the BJ7 and BJ8 came with fiberglass to reduce the heat on board. BCS now sell an exact aftermarket fiberglass tunnel for most other models to help control the heat.
 
The original tunnels were fiberglass. They had rubber gaskets between the flanges & the floor. Also, I believe, a few sheetmetal screws. It's likely that the rubber has just bonded things together from heat & pressure. It's possible that someone has glued the cover down, but I can't imagine why.

Try working a putty knife gently & gradually into the joints to separate. Watch for "buried" screws that may be in there. At least fiberglass is easy to repair.
D
 
My BJ7 tranny tunnel has no rubber gasket, and I do not recall seeing one in any of the manuals, I've left mine loose and have put a thinish layer of insulation over it (under the carpet) to help control the heat build up, it also shapes the carpet up a bit too as it is not original and was a bit baggy. When I first bought it some one had placed insulation between the tunnel and the gear box/overdrive, not a good idea from the point of view of cooling the drive train.
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The Body Service Parts list Plate A4 shows the fiberglass cover with 4 screws and washers on each side. It also shows 4 seperate seals ... 2 along each side, one at the front and one at the rear. I also recall seeing them illustrated in the Moss catalog.

-John
 
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