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1991 Jaguar: cools..tcm = same problemcontrol relay..leaks…

I have 1991 Jaguar Sovereign. After...
I have 1991 Jaguar Sovereign.
After about 20 min. of driving ,The transmission goes into limp home mode.
After it cools off, it resets and it's ok untill it heats up again.I replaced the tcm = same problem
control relay = same
all new grounds =same,replaced pressure releive spring in valve body =same,
changed fluid +filter 3x =same
followed Alldata repairs(water leaks) =same.All selenoids +sensors have correct resistance.Feels like sticking valve in valve body when acting up.

Any ideas before replacing transmission? Has 150000 miles
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Answered in 5 hours by:
11/7/2009
Jaguar Mechanic: Jaguar expert, ASE Certified Technician replied 13 years ago
Jaguar expert
Jaguar expert, ASE Certified Technician
Category: Jaguar
Satisfied Customers: 10,370
Experience: 30 yrs experience, ase certified, shop owner
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absolutly , you have covered the bases very well here ,

at this point i would say you will have to either try to find a valvebody trouble , or just rebuid it

Jaguar expert
Jaguar expert, ASE Certified Technician
Category: Jaguar
Satisfied Customers: 10,370
Experience: 30 yrs experience, ase certified, shop owner
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