Ford F250 Wandering Steering Issues Diagnosis and Blue Top Steering Gearbox Replacement

This video shows the steps I took to diagnose steering problems on my 2000 F-250 4x4 (Same Process for many other years) and tips on changing out the steering gearbox. I read good reviews on the Blue Top brand gear box and so I bought one and replaced mine. The steering feels really good now.

Here is a link to the Steering Wheel Adjustment Process:    • 2000 Ford F-250 Steering Wheel Adjust (and...  


Pitman Arm Info below: To determine if you have 36 or 32 Spline Gear Box
36 Spline Part Numbers
YC35-3590-AB
4C34-3590-DA
4C34-3590-CA
YC35-3590-CB
YC35-3590-DB
F2UA-3590-DC
YC35-3590-AA
YC3Z-3590-CA
YC3Z-3590-DA
FYC34-3590-DA

32 Spline Part Numbers
F81A-3590-LC
YC35-3590-CA
E2TA-3590-GA
E4UA-3590-AA
E2TA-3590-AB
F2UA-3590-AB
F81A-3590-BA
F81Z3590-LB
E7TA-3590-DA

Torque for Turbo Intake Tube Clamps = 71 inch lbs or 6 ft lbs
Torque for Gear Box mounting bolts = 50 - 67 ft lbs
Torque for Pitman Arm nut = 175 - 235 ft lbs

Time Codes
0:00 Intro
0:30 Test Drive
1:35 Diagnosis
4:08 Unbox new Blue Top Steering Gear
6:10 36 Spline vs 32 Spline
8:10 Steering shaft knuckle and power steering lines
9:08 Pitman Arm and Steering Link
10:14 Steering shaft knuckle
10:38 Power steering lines removal
11:30 Steering Gear bolts
12:30 Pitman Arm removal and swap to new box
16:04 Flush Pump, Hydraboost Brake and Lines
18:25 Pump Brakes to flush Hydraboost
19:15 Install new Blue Top Steering Gear
20:42 Oring selection for power steering lines
24:30 Top off Pump and purge air from system
28:07 Running engine to pump brakes to fill Hydraboost system
30:45 Test Drive