Featured Service & Repair Tech

Since diesel engines are typically operated in high load situations, its various components endure demanding conditions that necessitate a strict maintenance schedule. While diesel engines are known for the their ruggedness, strength, and long service life, these characteristics quickly disappear if routine service procedures are neglected. OEM recommendations are published with the intent of helping owners get the most from their vehicle and should be followed religiously.

Cummins turbodiesel

Cummins Service Schedule

OEM maintenance intervals for 6BT (5.9L 12v), 5.9L ISB, and 6.7L Cummins turbodiesels, including intervals for oil changes, drivetrain service, and fuel system service.

Power Stroke diesel

Power Stroke Service Schedule

OEM maintenance intervals for all Power Stroke diesels - 7.3L, 6.0L, 6.4L, and 6.7L engines. Includes oil change, fuel system, and drivetrain service intervals.

Duramax diesel

Duramax Service Schedule

OEM maintenance intervals for all generations of the 6.6L Duramax diesel, found in 2001 to current GMC Sierra and Chevrolet Silverado HD pickups.

6.5 GM diesel

6.5L GM Diesel Service Schedule

OEM maintenance intervals and service procedures for 1992 to 2000 model year GMC/Chevrolet trucks equipped with the 6.5L GM diesel in addition to part numbers for common service items.


6.9L IDI diesel oil pan

6.9L & 7.3L IDI Diesel Service Schedule

Maintenance intervals and service recommendations for 1983+ International Navistar IDI diesels.

5R110W transmission service

5R110W TorqShift Transmission Service

Do-it-yourself transmission service for the 5R110W TorqShift automatic transmission, which includes draining the transmission fluid, dropping the transmission pan, and replacing both the in-pan and auxiliary transmission filters.

5R110W TorqShift solenoids

5R110W TorqShift Shift Solenoid Replacement

Step-by-step guide to replacing an electronic shift solenoid in the 5R110W TorqShift transmission found in diesel equipped Ford Super Duty pickups from 2003 to 2010.

7.3L Power Stroke glow plug

How to Replace Glow Plugs in the 7.3L Power Stroke

Step-by-step guide to replacing the glow plugs on a 7.3L Power Stroke diesel.

NV4500 transmission fluid draining

New Venture NV4500 Manual Transmission Fluid Replacement

How to service the NV4500 transmission found in many diesel powered GMC/Chevrolet and Dodge trucks, in addition to important information regarding the transmission's highly specific fluid specifications.

6.9L, 7.3L IDI oil cooler disassembled

Step-by-Step Oil Cooler Removal & Rebuild Procedures for the 6.9L and 7.3L IDI Diesels

How to remove and repair a leaking oil cooler on the 7.3L and 6.9L IDI diesel.

6.5L GM diesel fuel lift pump

6.5L GM Diesel Lift Pump Diagnostic & Replacement Procedures

Guide to troubleshooting fuel system related problems in a 6.5L GM diesel and replace the lift pump if it turns out to be the culprit.

7.3L Power Stroke cps location

7.3L Power Stroke Camshaft Position Sensor (CPS) Replacement

How to replace the cam position sensor in a 7.3L Power Stroke diesel. CPS failures are extremely common in 7.3L Power Strokes, so study these procedures and always keep a spare in the glove box! The sensor itself is inexpensive, however the location can be difficult to access.

Draining coolant in 6.9L IDI diesel

6.9L, 7.3L IDI Coolant Flush & Cooling System Service

DIY coolant flush and complete cooling system service (thermostat, radiator hoses, etc) for the 6.9L and 7.3L IDI, including information and instructions for properly using a SCA/DCA to combat cavitation.

Ford F Series pedalbox assembly

1987 - 1991 Ford Clutch Pedal Bushing Replacement

Does your clutch pedal need to hit the floor in order to avoid grinding gears in the ZF 5 speed? Clutch throw was an ongoing issue with both generations of F-Series pickups that used the ZF 5 speed manual transmission, however the bushing setup is much weaker on 87 to 91 model year trucks. While there are many areas to check, clutch pedal bushings are a good start.

ZF 5 speed manual transmission
ZF 5 Speed Fluid Change Guide

How to replace transmission fluid in the S5-42 and S5-47 ZF 5 speed manual transmissions. Replacing the fluid is as simple as locating the drain and fill plugs; drain the transmission and pump it full of fresh ATF.

Warn premium locking hubs
Dana 50 Warn Locking Hub Upgrade

Auto locking or factory manual locking hubs giving you trouble? We'll show you what it takes to upgrade to a bulletproof set of premium Warn manual locking hubs. While we're focusing on a Dana 50, the upgrade procedures are extremely similar for Super Duty trucks with a Dana 60 front axle.

IDI glow plugs old vs new

How to Replace the Glow Plugs in the 6.9L & 7.3L IDI Diesel

You're IDI should fire up rapidly if the fuel and glow plug systems are working properly. An IDI that cranks and cranks and cranks while blowing plumes of white smoke out of the tailpipe is likely suffering from a glow plug problem.

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