why is it so hard to stop my 97 Ford F350 dually


Asked by Jun 06, 2016 at 09:43 PM about the 1997 Ford F-350 2 Dr XLT Extended Cab LB

Question type: Maintenance & Repair

i have a 1997 Ford F350 dually that has a 7.3 PowerStroke Diesel i have
just bought and the brakes are extremely hard to stop the truck (THE
TRUCK HAS THE BRAKE LIGHT ON) and thats why i dont drive the truck
because of the brakes...like i will have to put all my might on the brake
pedal to stop this truck

I was just wondering if its just the brakes or brake booster or idk some thing

thx for the help -cowcowcot

3 Answers


If the brake light is on then for sure there is a problem, the vacuum pumps are known to fail on Diesels, so that would be a place to start, if the booster is not getting any vacuum then you will almost have the stand on the brakes with both feet to get it too stop, a simple vacuum tester hooked to,the brake booster will tell if you are getting enough vacuum to make the booster work.

Best Answer

thx for the help ill check this 2maro

Did you just have your brakes replaced? Took mine to dealership and had brakes changed. Went to another dealer with the same problem you are having or it would lock up. Went to third dealership who re-ran all my brake lines. Finally was talking to a mechanic who I asked if he could do my axle bearings, and he said he would readjust them. Come to find out that series of dualy's has an issue with getting the brakes adjusted just right or they won't work at all. Heavy duty equipment mechanic knew this, but not three dealerships mechanics???

Your Answer

Add photo

Related Questions

  • why does my 93 F350 spit and sputter during acceleration? 2 answers

    1993 Ford F350 Dually 2wd 460 v8 automatic

    1993 Ford F-350 2 Dr XLT Extended Cab LB


    Maintenance & Repair

  • heater is not working on my f350 3 answers

    1997 Ford F-350 4 Dr XL Crew Cab LB


    Maintenance & Repair

  • How do you repair water in the tank of f350 dually? 1 answer

    Ford F-350


    Maintenance & Repair

  • bad wires? 2 answers

    i have an 02 f350 stroke dually, everytime i push in the clutch, (at start up or while driving) all the driving lights come on til i let off the clutch, any ideas why? FYI-dad totaled the bed on the d...

    Ford F-350


    Maintenance & Repair

  • F350 REAR END? 5 answers

    I have a 88 F350 and my buddy who sold it to me is sayin it has a 9in rear end but i doubt that and i can figure out what kind it is i have heard that those had a 10.25 with a dana 60 inside can anyon...

    1988 Ford F-350




Looking for a Used F-350 in your area?

CarGurus has 294 nationwide F-350 listings starting at $6,500.


Search Ford F-350 Questions

Ford F-350 Experts

#1 tennisshoes
Reputation 120
#1 BoholMark
Reputation 120
#3 Alexander Curtis
Alexander Curtis
Reputation 80
View All

Related Models For Sale

Used Ford F-250
481 listings starting at $3,475
Used Dodge Ram 3500
90 Great Deals out of 2,181 listings starting at $4,999
Used Ford F-150
2,194 Great Deals out of 206,316 listings starting at $1,499
Used Ford F-450 Super Duty
34 Great Deals out of 2,618 listings starting at $7,937
Used Dodge Ram 2500
160 Great Deals out of 5,240 listings starting at $3,495
Used Dodge Ram 1500
453 Great Deals out of 11,151 listings starting at $700

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.