Fan Belt Tensioner: Failure, Replacement & Maintenance
Learn what a fan belt tensioner does, why it squeals or vibrates, how to measure belt tension, and how to replace a worn tensioner pulley bearing.
Tagstechnical guide
- Articles
- 104
- Page
- 29
Articles
Engine Oil Filter & Cap: Replacement and Maintenance Guide
Engine oil filter guide for heavy trucks: how it works, why the bypass valve opens, failure symptoms, and step-by-step replacement instructions.
Engine Piston, Liner & Ring Set: Failure and Replacement
Diagnose piston, liner and ring failures, measure protrusion and end gap correctly, and follow OE-based replacement and maintenance steps for heavy trucks.
Caliper Cover, Gasket & Plate: Faults, Replacement, Care
Learn how caliper cover, gasket and plate faults develop on air disc brakes, how to diagnose leaks, replace the group correctly and extend its life.
Caliper Carrier & Guide Pins: Faults, Replacement, Care
Learn how caliper carrier and guide pin wear causes uneven pad wear, how to test slide freedom, replace the kit step by step and grease it correctly.
Caliper Pad Retainer & Pad Plate: Faults, Replacement, Care
How the caliper pad retainer and pad plate work, the symptoms of a fatigued spring, correct replacement steps and the checks that keep wear even.
Intake Manifold and Intake Pipe: Faults, Diagnosis, Repair
Learn how the intake manifold and charge air pipe work, how to spot boost leaks, run a pressure test, fit them correctly and keep them leak free.
Rocker Arm & Shaft Set: Faults, Replacement and Maintenance
Learn how a heavy truck rocker arm and shaft set works, how to spot bushing wear, measure valve clearance and replace the assembly step by step.
Caliper Guide Pin, Bushing & Bolt: Faults, Repair, Care
Learn how caliper guide pins and bushings seize, how to diagnose uneven pad wear, and the correct removal, greasing and torque steps for replacement.
Clutched Air Brake Compressor: Faults, Replacement, Care
Learn how the clutch works, tell a slipping clutch from a worn compressor, follow the replacement steps and read the reference torque and pressure values.
Solenoid Coil: Faults, Testing, Replacement and Maintenance
Understand how a solenoid coil works, spot open or shorted windings with a multimeter, replace it correctly and extend its service life on trucks.
Transmission PTO: Faults, Replacement and Maintenance Guide
A workshop guide to truck transmission PTO units: how they work, why they fail to engage, correct backlash setting on fitting and habits that extend life.
