Exhaust Flex Pipe on Trucks: Purpose and Signs of Failure
Exhaust flex pipe on a truck: what it does, symptoms of a bad flex pipe, why it fails early and what to check when replacing it or choosing a new one.
Author: MPT Technical Team
Truck Overheating: Causes and a Step-by-Step Check
Truck overheating explained: causes from coolant loss, the viscous fan clutch, thermostat and radiator, what to do first and the order of checks.
Exhaust Brake: What It Is, How It Works, Why It Fails
Exhaust brake on a truck: what it is, how the flap, valve and cylinder work, why it stops working, how to check it step by step and how to pick the part.
Power Steering Pump Failure Symptoms and Causes in Trucks
Power steering pump failure symptoms in trucks: heavy steering, whine, foaming fluid and leaks, their causes, pump versus gear tests and part choice.
OEM Number Lookup: How to Find the Right Spare Part
Find the right truck spare part by OEM number: how separators are handled, why one part has several numbers, and how to verify make and model.
Transmission Oil Selection: Viscosity, Additives, Approvals
Transmission oil selection needs viscosity grade, additive package and manufacturer approval to match; higher-additive oil is not always better.
Early signs of water pump failure
Early signs of water pump failure: residue at the weep hole, play at the pulley hub and temperature swings. Learn what each sign means and how to check it.
How to detect a leak in an air brake system?
Find an air brake leak with a static pressure drop test and circuit isolation: step-by-step method, common leak points and when to repeat the test.
When to Replace an Air Compressor Repair Kit
Longer fill time, oil carry-over and a change in operating noise show when an air compressor repair kit needs replacing. Here is how to measure each.
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