Question about 1997 Ford F350 Crew Cab

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1997 ford f350 overdrive light starts flashing and then transmission shifts hard.too much pressure after warmed up?

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Posted on Jan 02, 2017

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SOURCE: f350 automatic transmission

Since you have the same 4R100 as the 7.3L I recommend checking the resistance of the solenoid connectors, it is like sonic said at the rear passenger side and it will be hiding under some flexible heat shielding (it is next to the exhaust pipe afterall..). Specifically, take the resistance (ohms) from pins 1 to 4 doesn't matter which is black or red. It should be 10-20 ohms. You also might have to put a jack under the transfer case, unbolt, drop the support beam and let the whole drivetrain come down a bit for decent access. These pins should be labeled but pin 1 is in the row away from the tab and is the rear-most pin. Replacing the solenoid body is $200 and a pan drop. Grab a few gallons of Mercon!

Posted on Nov 19, 2008

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SOURCE: 2002 Ford F150 5.4L hard shifting

Have you ever changed the transmission fluid flush and replaced the transmission filter?

Posted on Jan 11, 2009

  • 1 Answer

SOURCE: transmission shifts hard ,overdrive light flashes

I had a similar problem which turned out to be caused by a leaking vacuum line.

Good luck!
Brent

Posted on Apr 11, 2009

  • 1 Answer

SOURCE: f150 transmission neutralizes when shifts to overdrive

I have that exact same truck and transmission and My Transmission did the exact same thing about a year ago and there was some kind of snap ring inside the transmission that broke. I originally thought it had to be an electirical problem because the truck shifted fine until OD or if i turned OD off. The 4r70w is a light transmission and i would suggest you have a shift kit put in and they make a heavier kit to beef it up.. Sorry its probably not the new you were looking for.

Posted on Apr 15, 2009

  • 218 Answers

SOURCE: overdrive and transmission

U NEED TO FIND A TRANSMISSION SHOP U CAN TRUST.CALL AAA AND HAVE SOME RECOMENDED.THAT IS THE FIRST SIGN OF AN INTERNAL TRANSMISSION PROBLEM

Posted on May 01, 2009

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1 Answer

The Transmission shifts very hard after the first shift. Check engine light is on as well as the Green overdrive light blinks off and on. Speed sensor was cleaned and even replaced.


Your on the right track. Have you scanned the PCM, what codes did you get? If not and you changed the vehicle speed sensor,(VSS) did you check the (OSS) output shaft speed sensor, it will cause torque converter lock up and hard shifting and that pesky OD light flashing. I have also found that clutch packs inside auto tranny's dry out. Ford and some aftermarket companies sell a fluid that will recondition the clutch packs.

Mar 10, 2015 | 1997 Ford Thunderbird LX

1 Answer

Transmission overdrive light started flashing and tranny shifted hard When I turned truck off NAND turned back on everything was normal


I have the same problem in my 1994 Ford f350. I replaced the ABS sensor, but it is still shifting hard and the overdrive light still flashes until I shut the truck off. Any ideas?

Jul 31, 2012 | Ford F-250 Super Duty Cars & Trucks

1 Answer

Got a 1995 F350 dually and the overdrive light flash sometime. When it does it make the transmission shift hard. If you stop and cut truck off the light go off. So what is the problem?


sounds as though the wiring harness to the trans may need to be inspected to be sure it is in good order and the connections are seated firmly.
I am assuming the transmission is not the issue.
I am thinking maybe a branch or something snagged a wire harness and jiggled it loose maybe?

Sep 19, 2011 | 1995 Ford F350

1 Answer

My 97 expedition starts and runs good I'm driving down the road, Then the overdrive light starts blinking on the end of the shifter, So when I come to a stop then start to go again it shifts real hard....


With the light flashing ,codes are stored in the transmission control module . Have the codes check an this will tell you whats wrong . Probably a sensor or shift solenoid or line pressure solenoid .

May 24, 2017 | 1997 Ford Expedition

1 Answer

I have a 2004 Ford explorer and the overdrive light started flashing i have 95000 miles on the vehicle. I also noticed that it is shifting really hard and doesn't seem like it has 4th or 5th gear any...


Unfortunately, Explorers are notorious for transmission issues. The overdrive light flashing is either the detection of a shorted EPC (Electronic Pressure Controller) or a defective sensor. Bad shifts are a sign of the EPC, while good performance would suggest a bad sensor. I have also seen issues with the valve bodies and torque converters.

You can try removing the electrical connections on the transmission, cleaning them and putting di-electric grease on them, but unfortunately, you will likely have to take a trip to a transmission shop. Swing by an Autozone and have them pull your codes. If the light is flashing, a trouble code will be set to help direct you towards the issue.

Dec 24, 2009 | 2004 Ford Explorer

1 Answer

Transmission slipping


do u have any transmission trouble codes? u should if the OD light is flashing, the light flashes to alert u that a electronic malfunction is occurring in the trans controls, u may just have a bad trans connector or a shift solenoid starting fail due to a shorted field closing coil.

Jan 24, 2009 | 2001 Ford F350 Super Duty SuperCab

1 Answer

1994 F350 transmission intermittent problem


I had the same problem in my 96 f-350. The transmission has slipped recording a slip code in the transmission. You can pull the codes and get it. I shifts into a safe mode that increases the pressure inside your transmission as part od a fail safe. Plain and simple, you have to have the tranny rebuilt.

Dec 06, 2008 | 1994 Ford F350 Crew Cab

2 Answers

Light flashing on stick shift on a 1996 ford f350 7.3 diesel; now is shifting hard.


my 97 f350 powerstroke dide the same thing it ended up being the trany if screwed. It needs to be rebuild chances are the planitarys are bad and dumped iron into the valve body

Nov 27, 2008 | 2004 Ford F350

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