4R70W transmission problem
Thread Starter
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2nd Gear
Joined: Jul 2024
Posts: 2
Likes: 0
From: Hartman, AR
4R70W transmission problem
Thank you in advance for any help received.
Was driving normal down highway (60-65 mph). Truck accelerated, running thru gears just fine. Slowed for traffic and when tried to again accelerate I HAD NOTHING! It was like I had no tranny and was just coasting. Does not go into any gear or park. Any ideas?
Was driving normal down highway (60-65 mph). Truck accelerated, running thru gears just fine. Slowed for traffic and when tried to again accelerate I HAD NOTHING! It was like I had no tranny and was just coasting. Does not go into any gear or park. Any ideas?
Last edited by jlemonhead10; Jul 24, 2024 at 06:33 AM.
Thread Starter
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2nd Gear
Joined: Jul 2024
Posts: 2
Likes: 0
From: Hartman, AR
Yes, is 4 x 4. Transfer case seems fine. Cable still attached. When putting back in park, after attempting to put in gear, there is a sound that's half grind/half something trying to "catch".
Lead Driver
Joined: Nov 2020
Posts: 7,128
Likes: 1,945
From: Sportsman's Paradise
Missed the part about it not going in park, definitely wouldn't be caused by low fluid, it could cause the other symptoms but in this case, it sounds like either the trans or xfer case is going to need some internal work.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,642
From: SE Florida
The underlined part shows that the transfer case is not fine. It is either in neutral or it has failed. Why do you think it is fine?
Logistics Pro
Joined: Jul 2002
Posts: 4,821
Likes: 19
From: South Dakota
What type of transfer case shifter do you have…the electric **** on the dash or the floor shifter?
if it’s the floor shifter then try moving the shifter forward into 2wd high to rule out the transfer case in neutral.
if you have the ****….neutral isn’t an option unless the shifter motor on the transfer case is stuck between positions or something weird.
if it’s the floor shifter then try moving the shifter forward into 2wd high to rule out the transfer case in neutral.
if you have the ****….neutral isn’t an option unless the shifter motor on the transfer case is stuck between positions or something weird.
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Lead Driver
Joined: Nov 2020
Posts: 7,128
Likes: 1,945
From: Sportsman's Paradise
What type of transfer case shifter do you have…the electric **** on the dash or the floor shifter?
if it’s the floor shifter then try moving the shifter forward into 2wd high to rule out the transfer case in neutral.
if you have the ****….neutral isn’t an option unless the shifter motor on the transfer case is stuck between positions or something weird.
if it’s the floor shifter then try moving the shifter forward into 2wd high to rule out the transfer case in neutral.
if you have the ****….neutral isn’t an option unless the shifter motor on the transfer case is stuck between positions or something weird.
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,642
From: SE Florida
That noise is made by the park mechanism in the transmission trying to engage while the output shaft is turning. The output shaft is turning because the transfer case is in neutral or has failed.
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