TECHNICAL SUPPORT DOCUMENTS

Weller Truck Parts prides itself on excellent customer service.  To that end, this page houses technical support and service information from Weller Truck Parts and the original equipment manufacturers (OEMs) that we remanufacture.

Automatics/Allison

Auto Light

Differentials

• Service Information Letter--RT 44 04 Specialty Socket

Eaton Automated Troubleshooting Books

• Gen1 Troubleshooting Guide
• Gen3 Autoshift Ulrashift Ultrashift Plus
• Lightning Troubleshooting

Manual Transmissions

• Gear Idle Rattle

Steering

• Steering Gear & Pump Installation
• Relief Plunger Adjustment Procedure (TRW-HF, HFB, Sheppard 292, 392, 492, 592, M-Series with a part number ending in 1
• Adjustment Procedure for Automatic Poppet Valves (TRW TAS, Sheppard M-series with a part number ending in 3, ZF 8014, 016, 8018, 8097, 8098)