Fordomatic
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Senior User
Joined: Apr 2006
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Fordomatic
My fordomatic 2 speed on my old style 200 I6 wont shift into high, i think the front pump might be bad, any suggestions? I have no money, and I already swapped trannys, but had to use the same front pump to match the torque converter. Anything I should check or try before I drop the transmission and try the ball-peen wrench.
Also, is there any way to check if the vacuum modulator is working without buying a new one?
Also, is there any way to check if the vacuum modulator is working without buying a new one?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
My fordomatic 2 speed on my old style 200 I6 wont shift into high, i think the front pump might be bad, any suggestions? I have no money, and I already swapped trannys, but had to use the same front pump to match the torque converter. Anything I should check or try before I drop the transmission and try the ball-peen wrench.
Also, is there any way to check if the vacuum modulator is working without buying a new one?
Also, is there any way to check if the vacuum modulator is working without buying a new one?
If it's a 1959 Ford truck, it doesn't have a 200 engine, that engine was only used in cars (Mustang/Falcon, etc).
It's a 223 6 cylinder.
A 1959 Ford truck has a 3 speed Ford-O-Matic, not a 2 speed.
The 2 speed was only used in some Falcons/Fairlanes.
Post Fiend
Joined: Jan 2005
Posts: 8,402
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Assuming it`s a aluminum case two speed Fordomatic my book says, check throttle and manual linkage, defective governor or high clutch piston, defective low band servo, leakage in control pressure main circuit, or defective high clutch.
Cargo Master
Joined: Jun 2003
Posts: 2,982
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From: Somewhere Saskatchewan
Aluminum 2 speeds used the rear pump as part of the shift system.
If the vehicle moves the front pump is good.
Check for vacuum at the modulator.
Pull the hose off at the valve with the engine running.
Also look at the kd linkage, it may be stuck.
If that is ok the clutch drum is the culprit.
If the vehicle moves the front pump is good.
Check for vacuum at the modulator.
Pull the hose off at the valve with the engine running.
Also look at the kd linkage, it may be stuck.
If that is ok the clutch drum is the culprit.
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223, clutch, control, fordomatic, front, modulator, servo, shift, specifications, specs, torque, transmission, vacuum, valve, wont
