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Author
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Topic: c4 tranny question
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-12-2003 06:13 PM
   
I was wondering if the kickdown lever on a c4 automatic is supposed to be forward when in the park position or if there is supposed to be a spring that holds it back until the kickdown cable pulls it?66 289ci (not original)
c4 auto
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rockafellz
Gearhead Posts: 1420
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 06-13-2003 10:08 AM
The kickdown lever on the C4 should NOT move when the shifter is shifted anytime. It looks like they connect and work together but they don't. The only time the kickdown lever should move forward is when the accelerator pedal is floored. Otherwise is should always be spring loaded towards the back.Hope I didn't further confuse you. Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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indyphil
Gearhead Posts: 2255
From: Senoia, G.A. USA
Registered: Jul 2002
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posted 06-13-2003 10:28 AM
Erik is correct, the lever should be towards the rear of the car when you are not driving it, and should be connected to the accelerator linkage only. To adjust the system you must first ensure that the pedal height is correct (on my 68 pedal height should be between 4 and 4.5 inches) then (while parked with the engine off!) you put a brick on the pedal to floor it, then adjust the cable length until the kickdown lever is taught and pulling the lever fully forward. ------------------
'68 coupe 289 C code
66 heads, edel 600cfm carb, performer intake, dual exhaust
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-13-2003 12:48 PM
Thanks, my lever is in the forward position with slack in the kickdown cable. Is the lever supposed to have an external, or internal spring to hold it in the "rear" position? Can I use an external spring? I can physically push it back towards the rear of the tranny, but it "springs" back towards the front. I suspect that this may be the cause of some noise I'm experiencing, and the reason why I'm not getting 3rd gear?
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rockafellz
Gearhead Posts: 1420
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 06-13-2003 01:03 PM
The kickdown lever is internally sprung. And I wouldn't ghetto rig it externally. What year trans is it? You may have to pull the valve body. It may have not been installed correctly.Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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rockafellz
Gearhead Posts: 1420
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 06-13-2003 01:13 PM
Just saw that you're not getting 3rd gear. It's probably the valve body. When installing the valve body, did you make sure the loose valve was positioned correctly? There's also a little lever on the inside where the kickdown lever is connected and that's gotta be positioned correctly to work right. Sorry, I don't know the transmission "lingo" but you should understand when you pull the valve body.Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-13-2003 01:15 PM
according to the #'s, it's a 66 Galaxie, which is common for the mustangs. are they hard to fix?(don't know squat about trannys) can it be repaired from dropping the pan? sounds like the internal spring is backwards maybe? there is indication that the pan has been off before. I bought this car from a guy I used to work with and am learning about it as I go along. But hey! for the $500 I paid for it, I'm willing to learn.
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N266fords
Gearhead Posts: 1373
From: Spokane ,WA USA
Registered: Apr 2003
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posted 06-13-2003 02:27 PM
hey! where is Oceano Ca? I was raised and born in Oceanside, California?? Bruce
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-13-2003 02:34 PM
quote:
Originally posted by N266fords:
hey! where is Oceano Ca? I was raised and born in Oceanside, California?? Bruce
It's about halfway between L.A. and Frisco. about 3 miles south of Pismo Beach. A little town of about 500 people.
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-18-2003 12:06 PM
Can this be performed with the tranny still in the car? or does the tranny have to be pulled. the tranny is making a noise as though something is wrapped around the driveshaft, does that sound familiar? quote:
Originally posted by rockafellz:
Just saw that you're not getting 3rd gear. It's probably the valve body. When installing the valve body, did you make sure the loose valve was positioned correctly? There's also a little lever on the inside where the kickdown lever is connected and that's gotta be positioned correctly to work right. Sorry, I don't know the transmission "lingo" but you should understand when you pull the valve body.Erik
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rockafellz
Gearhead Posts: 1420
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 06-18-2003 01:24 PM
quote:
Originally posted by adragon8u:
Can this be performed with the tranny still in the car? or does the tranny have to be pulled. the tranny is making a noise as though something is wrapped around the driveshaft, does that sound familiar?
Yes, lift the front end enough to where you can work comfortably. Drain the pan by loosening the bolts gradually. Remove the pan, remove the filter, remove the smaller bolts and the valve body will come down. There is a valve that moves loosely that you will promptly notice. It engages onto the shift lever mechanism. That shift lever mechanism is also attached to the kickdown lever. That kickdown lever will have to be properly positioned. After re-adjusting and installing it, have someone hold it up into the transmission w/o installing any of the bolts yet, then you can feel the kickdown lever to see if it's spring loaded the correct way. Then check the shifter in the car and try to shift it in EVERY gear including 1,2,3. Once you can confirm it goes in and out of every gear, you can bolt up the nuts and torque them 100 INCH/LBS (not foot/lbs). Someone should QA my instructions above. But I am confident of them since I just swapped to a manual valve body 2-3 months ago. Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored [This message has been edited by rockafellz (edited 06-18-2003).]
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adragon8u
Gearhead Posts: 4768
From: Oceano, Ca. member# 2895
Registered: Mar 2003
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posted 06-18-2003 01:41 PM
Thank a bunch! I'll let you know how it went. does the noise I described make sense to you also quote:
Originally posted by rockafellz:
Yes, lift the front end enough to where you can work comfortably. Drain the pan by loosening the bolts gradually. Remove the pan, remove the filter, remove the smaller bolts and the valve body will come down. There is a valve that moves loosely that you will promptly notice. It engages onto the shift lever mechanism. That shift lever mechanism is also attached to the kickdown lever. That kickdown lever will have to be properly positioned.After re-adjusting and installing it, have someone hold it up into the transmission w/o installing any of the bolts yet, then you can feel the kickdown lever to see if it's spring loaded the correct way. Then check the shifter in the car and try to shift it in EVERY gear including 1,2,3. Once you can confirm it goes in and out of every gear, you can bolt up the nuts and torque them 100 INCH/LBS (not foot/lbs). Someone should QA my instructions above. But I am confident of them since I just swapped to a manual valve body 2-3 months ago. Erik
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