North American Turbocoupe Organization



'85 TC Stall in reverse
Elmo66 Offline
Junior Member
#1
1985 TC stalls when put into reverse. When put in reverse from any gear, the RPM's shoot up a bit then it dies. This started happening last fall before I put the T-Bird away for the winter. The only mod that may coincide is a Gillis valve that was installed last summer. Any ideas? Thanks!

....should add: it's an automatic trans....
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Jeff K Offline
Administrator
#2
Check for vacuum leaks and clean the IAC as a starting point. Also run a complete code test (KOEO, CM, and KOER) and report back with any codes present.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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firebirdparts Offline
Member
#3
Did they use an automatic release on the parking brake? My TC does not have that, but it's a 5 speed, so they couldn't. Those (on a lincoln) are vacuum powered and of course it comes on when you come out of park. Fundamentally I would expect to find a vacuum leak there and some parts of the system semi-working.
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