4wd not engaging and bad front end vibration/wobble

Asked by Kenny Jan 06, 2016 at 04:51 PM about the 1999 Ford F-250 Super Duty XLT 4WD Extended Cab SB

Question type: Maintenance & Repair

I just recently had front axle seals replaced on
my 1999 ford f250 4wd, an ever since my 4wd
want engage, sounds like the gears are grinding
and popping an when disengaged an in park the
transfer case shaft an left side axle free spins
an right side axle seems to be locked when I
turn by hand. Also from time to time there's a
bad vibration/wobble at 40+ mph. bad enough
that it's shakes everything inside the truck an
makes it hard to control at times. I'm a
mechanic myself but this vibration has me
puzzled. Any idea's.

2 Answers
14,385

Guy answered 8 years ago

Having the super duty front axle the drive axle goes through the hub bearing and should be secured by a snap ring. If the axle end isn't secured positively it could cause a wobble at the universal joint behind the hub that would get worse at higher rpm's. If this is the case then depending on how you hubs lock (vacumn or manual) a vacumn hub would be prone to unlocking.

Mark helpful

Your Answer:

Related Questions

  • 4wd not engaging and bad front end vibration/wobble 2 Answers

    I just recently had front axle seals replaced on my 1999 ford f250 4wd, an ever since my 4wd want engage, sounds like the gears are grinding and popping an when disengaged an in park the transfer ...

    1999 Ford F-250 Super Duty XLT 4WD Extended Cab SB

    -

    Maintenance & Repair

  • F250 Death Wobble 10 Answers

    Been to two dealers for the death wobble 15 days in the shop and a few weeks of limited driving as ford tries to figure out the problem over the last 30 days. Is this covered under the lemon law...

    2017 Ford F-250 Super Duty XLT SuperCab 4WD

    -

    Maintenance & Repair

  • Fixing death wobble? 1 Answer

    After a year or more of death wobble I have fixed it. Ford has been no help. After $1400 in parts and 8 hours work I have a fix. PMF Suspensions has it. Replaced track bar with their heavy duty...

    2017 Ford F-250 Super Duty Lariat SuperCab

    -

    Maintenance & Repair

  • 4x4 not engaging 2 Answers

    Just had transmission rebuilt and now the light on the dash will not come on when I turn on the 4 wheel drive

    Ford F-250 Super Duty

    -

    Maintenance & Repair

  • 4wd 6 Answers

    Truck will not lock in 4wd. 4wd doesn't work period actually but when u are driving up a hill or slight grade the front end jerk slightly like it's trying to go into 4wd. Have replaced hubs, about ...

    2003 Ford F-250 Super Duty Lariat Crew Cab 4WD

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

1999 Ford F-250 Super Duty

Write a car review

Review another car

Shortcuts

Search Ford F-250 Super Duty Questions

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    3,600
  • #2
    NorCalEvan
    Reputation
    2,430
  • #3
    David Gray
    Reputation
    1,810
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford F-350 Super Duty
926 Great Deals out of 22,806 listings starting at $3,400
Used Ford F-150
6,091 Great Deals out of 133,226 listings starting at $1,100
Used Chevrolet Silverado 2500HD
1,081 Great Deals out of 30,772 listings starting at $1,350
Used Ford F-250
224 listings starting at $7,495
Used Dodge RAM 2500
70 Great Deals out of 1,087 listings starting at $3,500
Used Chevrolet Silverado 1500
4,180 Great Deals out of 131,069 listings starting at $1,000
Used GMC Sierra 1500
1,881 Great Deals out of 66,222 listings starting at $875
Used Toyota Tundra
1,104 Great Deals out of 32,965 listings starting at $3,000
Used Ford F-450 Super Duty
119 Great Deals out of 2,635 listings starting at $14,795
Used Ford Mustang
931 Great Deals out of 22,596 listings starting at $1,100

Used Cars for Sale

2024 Ford F-250 Super Duty For Sale
13 Great Deals out of 24,082 listings starting at $40,040
2023 Ford F-250 Super Duty For Sale
88 Great Deals out of 3,758 listings starting at $37,450
2022 Ford F-250 Super Duty For Sale
230 Great Deals out of 2,728 listings starting at $27,460
2021 Ford F-250 Super Duty For Sale
136 Great Deals out of 1,389 listings starting at $18,999
2020 Ford F-250 Super Duty For Sale
117 Great Deals out of 1,250 listings starting at $18,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.