Repair instructions – Spicer DS404 Reinforcing Instructions User Manual
Page 2

When using an Arc welder you may have to start the weld at the 11:00 position so that you do not run out of electrode at
the 12:00 position. You can then go back and fill in the ends of the weld area.
Weld Direction Never Start or Stop at 12:00
Repair Instructions:
Important
: Before starting, always wear the proper safety equipment for your protection.
1. Disconnect the battery grounds and oil temperature sensor wire.
Caution*** If the battery ground is not
disconnected, vehicle electronic control modules may be damaged.
2. Block front and back of steer axle tires.
3. Jack-up driver’s side forward rear drive axle and support with jack stand.
4. Remove driver’s side forward rear drive axle tires and rims only.
5. Remove inter axle driveline.
6. Disconnect and remove tracking rod assembly.
7. For the repair of the cover weld crack, locate the ends of the crack, mark 2 inches either side of the crack. These
marks are ONLY for reference! You must grind until the entire crack is eliminated. Then grind an additional two-
inches on either side of the crack.
Locate Crack
Mark 2” Both Sides of Crack
First Pass Direction
Second Pass Direction
12:00 Position
First Electrode