Date: Wed, 04 Sep 2002 07:11:53 -0400
From: KeithG <>
Subject: Re: firewall boot/grommet for shift rod

look to - I do not know if there is any pertinent info there, but I look there first enter, technical documents - transmission folder. the 8V manual covers up to '88 and I THINK the centering change happened before that, but I am not sure. The transmission change FAQ on should have the appropriate years listed in it for transmission changes. I know that 89- have the bigger pinion bearing and that is about all I remember. Still check out the heat shield even if you KNOW you found your heat source. It can lead to burnt wiring and lots of heartache. KeithG Anthony Aalvik wrote: > Thank you Keith. > > This 900T is indeed a US spec car--the comes from Walla > Walla College in Washington State--and it does have a catalytic > coverter. I am certain the shift linkage boot/grommet at the firewall is > the culprit. After removing both center consoles and the HVAC duct hidden > thereunder, I found the rubber boot with a big gap around the shift > rod. When driving at speed, hot air gushes in through this same > hole. With the HVAC duct in place on the floor, this hot air is directed > smack onto the shift lever housing which gets hot and causes the keys to > get hot. I don't know exactly how this boot/grommet is supposed to look > when in good shape but I don't think this one is in proper condition. > > The thing I am worried about in disconnecting things on the shift > linkage is making sure I get things back in the proper arrangement. I > have found many things out of order after I acquired this car. I know > there are changes in the transmissions between 1984 and 1989; an example > would be the centering mechanism. Would the Bently 8valve manual be > sufficient or would I have to find a 16valve manual? > > The catalytic converter is something I have thought of but haven't > looked at real closely yet. I plan to soon replace the exhaust from the > turbo back. That will be a good time to check out the heat shield for the > cat. > > Thanks again for your help, > Tony > > On Mon, 2 Sep 2002, KeithG wrote: > > >>Never done it, but it would surely require removal of the console, shift >>mechanism. I'd disconnect the coupler at the shaft as it goes in the >>car, but you will have to 'reset' the linkage. this is probably the >>source of the air. Is it catalyzed (unleaded fuel only?) Since your >>address is .edu, I assume it is a US spec car. Inspect the catalytic >>converter heat shield for perforation (or big pieces missing). This is >>the most likely cause for hot key cylinders in C900s. >> >>KeithG > >

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