Notices
1999 - 2003 7.3L Power Stroke Diesel  
Sponsored by:
Sponsored by: DP Tuner

Transmission Problems

Thread Tools
 
Search this Thread
 
Old Sep 22, 2007 | 02:50 PM
  #1  
erik-the-viking's Avatar
erik-the-viking
Thread Starter
|
Freshman User
Joined: Nov 2006
Posts: 30
Likes: 0
From: Surprise
Transmission Problems

Problem started about a week ago. Pulling out of driveway felt a jolt on the acceleration pedal (seemed to come from the transmission) like metal banging metal. Truck drove good but jolt/bang became more frequent especially taking off from a traffic light or slowing down to a stop.
This morning, put the stick in drive, took off, went through 2 gears then suddenly felt a down shift like changing a manual transmission from 5th gear to 2nd gear. The sudden downshift almost put my head through the windshield.
Took the truck out of drive and shifted the stick into 2 gear and truck runs fine as long as I keep the RPM's down. No check engine light on dash. Can't get anybody to diagnose till Monday. Any suggestions???

Truck has 118000 miles
 
Reply
Old Sep 22, 2007 | 03:23 PM
  #2  
dieseloholic's Avatar
dieseloholic
Senior User
Joined: Mar 2007
Posts: 227
Likes: 0
From: St. Clair, MO
sounds like maybe your planitary gear is broken. I recently had a transmission failure due to overheating problems and it sounds like you're discribing the symptoms I had. At first it was like a delayed engagement when taking off then got worse till from the drive (D) position it wouldn't even engage at all. I could put it in (2) and take off fine then manually put it in (D) and it would be fine. I won't tell you what repairs / replacement costs because I don't want to spoil your weekend. Have a few beers, put it out of your mind till Monday and enjoy the bliss of ignorance till then I hope I'm wrong; let us know.
 
Reply
Old Sep 22, 2007 | 08:07 PM
  #3  
erik-the-viking's Avatar
erik-the-viking
Thread Starter
|
Freshman User
Joined: Nov 2006
Posts: 30
Likes: 0
From: Surprise
Getting mixed reports on prices to repair transmission; anywhere from $2500-$3500. I'm really hoping it's not that bad. Don't want to dwell on it too much until I get a professional Diagnoses from a tranny shop. My friend put 2 rebuilt transmissions in his 2000 F-250 and he filled my head with all kinds of negative vibes. He eventuall switched vehicles to Chevy Silverado. Still hoping it's an easy fix!
 
Reply
Old Aug 4, 2008 | 09:52 PM
  #4  
wbeding's Avatar
wbeding
New User
Joined: Jan 2008
Posts: 6
Likes: 0
I too have begun having problems with my transmission. When shifting into reverse the truck delays for about 15 seconds it it even engages. When the truck gets hot the O/D light flashes and will not shift out of second gear. Please help! 2003 F-250 4X4 7.3 6637 Straight pipe DP - 80 econo
 
Reply
Old Aug 4, 2008 | 10:05 PM
  #5  
SpringerPop's Avatar
SpringerPop
Hotshot
Veteran: Air Force
20 Year Member
Liked
Community Favorite
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Club FTE Silver Member

2001 with tranny problems ~ mechanical diode problems.

Just a guess....

Pop
 
Reply
Old Aug 5, 2008 | 06:57 AM
  #6  
Mark Kovalsky's Avatar
Mark Kovalsky
Frmr Ford Trans Engr
25 Year Member
Liked
Community Favorite
Top Answer: 3
Joined: Aug 1999
Posts: 24,731
Likes: 2,658
From: SE Florida
Originally Posted by wbeding
When the truck gets hot the O/D light flashes and will not shift out of second gear.
The only way to know what's wrong is to have the codes read. Don't go cheap and ask Autozone to read them. They can't read Ford trans codes, but they will try. Then they will tell you there are no codes. There are. Trust me.
 
Reply
Old Aug 5, 2008 | 07:00 AM
  #7  
Mark Kovalsky's Avatar
Mark Kovalsky
Frmr Ford Trans Engr
25 Year Member
Liked
Community Favorite
Top Answer: 3
Joined: Aug 1999
Posts: 24,731
Likes: 2,658
From: SE Florida
Originally Posted by SpringerPop
2001 with tranny problems ~ mechanical diode problems.
There's at least a 90% chance you're right. Unfortunately that will not be a cheap rebuild, a lot of hard parts have to change to replace the mechanical diode with a sprag one way clutch.
 
Reply
Old Aug 5, 2008 | 07:16 AM
  #8  
danskool's Avatar
danskool
Go Bills !
15 Year Member
Photogenic
Photoriffic
Shutterbug
Joined: Jan 2008
Posts: 2,778
Likes: 65
From: Buffalo, NY
Club FTE Gold Member
Originally Posted by wbeding
I too have begun having problems with my transmission. When shifting into reverse the truck delays for about 15 seconds it it even engages. When the truck gets hot the O/D light flashes and will not shift out of second gear. Please help! 2003 F-250 4X4 7.3 6637 Straight pipe DP - 80 econo



2003 Has diode problems? I tought is was just some 01's
TBS
http://www.geocities.com/dirtsplat/TSBDiode.pdf
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

Top 10 Fords at 2026 Carlisle Ford Nationals

 Joe Kucinski
story-1

3 Best / 3 Worst Parts of Modern Ford Ownership

 Brett Foote
story-2

10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

 Pouria Savadkouei
story-3

Every 2026 Ford Engine Explained

 Brett Foote
story-4

10 Ugly Ford Trucks That We Still Kinda Love

 Joe Kucinski
story-5

10 Things Every Truck Owner NEEDS (2026 Edition)

 Michael S. Palmer
story-6

Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

 Verdad Gallardo
story-7

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

 Joe Kucinski
story-8

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

 Brett Foote
story-9

Top 10 Ford Truck Tragedies

 Joe Kucinski
Old Aug 5, 2008 | 07:59 AM
  #9  
Ponyboychris's Avatar
Ponyboychris
Lead Driver
15 Year Member
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Club FTE Silver Member

Pop was commenting on the OP problem - an '01 PSD. Wbeding's issue is different. The 03's didn't have the mechanical diode.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
scububbs
1999 - 2016 Super Duty
5
Apr 25, 2022 11:08 AM
Chris Stuedle
Clutch, Transmission, Differential, Axle & Transfer Case
2
Aug 19, 2016 12:01 PM
lwbdriver
1968-Present E-Series Van/Cutaway/Chassis
8
May 6, 2016 02:55 PM
ErrorS
1978 - 1996 Big Bronco
6
Jul 30, 2011 08:07 PM
treetop
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
5
Jun 12, 2004 10:45 PM




All times are GMT -5. The time now is 06:11 AM.

story-0
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-1
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-2
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-3
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-4
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-5
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-6
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-7
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-8
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-9
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE