large thump under me in front center

2004 FORD F-150
90,000 MILES
Avatar
BYRDMAN1212
  • MEMBER
  • 1 POST
2004 F150 lariat 5.4 triton 90,000 miles. large thump under me in front center of truck only when going from dead stop to start. after gets going doesnt have any problem
Sep 17, 2012 at 3:21 PM
Advertisement
Avatar
ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
check trans mount. it may be broken

Roy
Sep 17, 2012 at 4:13 PM
Avatar
MIKE H R
  • MEMBER
  • 3,094 POSTS
Is it a closed drive shaft? If so there had been a recall on them as there was nowhere to service the drive shaft if needed. A universal could also be the problem. check the transmission mount and the universals.
Sep 25, 2012 at 2:35 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.