4th Gear Torque Convertor Lockup Kit Install |
Even though the 700r4 4 Speed Auto is a good transmission, when installing
in an application with no computer at all ( as in the carbed V-8 94 Astro) a way to lockup up the torgue convertor
and release it when braking is needed. The solution I chose is Bowtie Overdrive's Lockup Kit I also purchased the optional towing kit which allows you to lock
up the convertor in 3rd gear as well as in overdrive, very useful for towing applications.
All Pics Below Open in Their Own Windows Click Thumbs for Large Images
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Prep Work |
( Left) Yeah, it's a dirty tranny and a dirty filter, and being as
it was a used ( but low mileage) transmission I was relieved that there were no signs of overheating or metal particles,in
fact, it appeared to have been well maintained. (Right)With filter removed you can see the old harness, pressure
solenoid, and lockup solenoid that will be replaced.
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Kit Installed |
(Left) The old pressure switch is on the left and the new two terminal
replacement switch is on the right. (Right) New harness and solenoids in place.
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Finishing Touches |
(Left) Kit is in
place, all surfaces cleaned, new filter and new pan gasket.. The gasket tends to curl up, not stay in place, I
used a very light coating of wheel bearing grease to hold it flat , it is not recommended that you use any kind
of sealant, the gasket does not need it and even a sealer like Permatex tends to oooze out the sides and migrate. (Right) New pan drain plug installed, also note oversize debris magnet..
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Cont'd Tomorrow- External switches, relay, and guages............. |