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Author
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Topic: Auto-Transmission Problem
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Eric_S
Journeyman Posts: 2
From: Laguna Niguel, CA
Registered: Mar 2006
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posted 03-01-2006 07:13 PM
 
My friend owns a 1974 Mustang II. I'm not sure which transmission he has, the 3 speed or 4 speed automatic. In any case, the foward gear is not engaging right away, unlike reverse which engages immediately. It takes maybe 10 - 15 seconds for the forward gear to engage. Question(s): 1) Is this is a sign of a transmission that needs to be rebuilt, in need of a minor repair work, or a tranmssion short of transmission fluid? 2) Where is transmission fluid added? The dip-stick is described in the Haynes repair manual, but I'm told the repair manual doesn't speak about where to add the transmission fluid.
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IIGood
Moderator Posts: 3919
From: Arnold, MD, USA
Registered: Jun 99
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posted 03-01-2006 07:19 PM
First, if it's an automatic, it's a 3-speed. 4-speeds were manuals, at least in that era. Which model it is is a different story...the C3, or the C4. Somewhat irrelevant with this problem though. I'm not even completely certain they were using the C4s in the '74s though.Second, check the fluid level first. My '77 had a similar problem, and it was always a bit low on fluid. Once the fluid was topped off, all was good. But, where the fluid is going may be another question altogether. Fluid is added through the dipstick tube. Just stick a funnel into the dipstick tube and pour it in there.
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Eric_S
Journeyman Posts: 2
From: Laguna Niguel, CA
Registered: Mar 2006
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posted 03-04-2006 11:07 AM
Last night after letting the car warm up, we were able to check the transmission fluid level, and unfotunately the fluid level was fine. (IIGood, you were right, the car only has a 3 speed automatic)Once the engine is warmed up the forward gears engage right away. It's only when the car is cold does it take longer for the forward gears to engage. What could be causing this problem?
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SteveLaRiviere
Administrator Posts: 48752
From: Saco, Maine
Registered: May 99
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posted 03-08-2006 07:19 PM
When I've run into this problem before, it was because of a bad gasket between the valve body and transmission case. When the transmission is cold fluid escapes from between the VB and case, then as the temperature climbs and the aluminum in the case expands the leak is sealed and the transmission works fine.------------------
'70 Mustang Mach 1 - '70 Mustang Convertible - '72 Mustang Sprint - '94 F-150 XL
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