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.
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.
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.
OEM maintenance intervals for all generations of the 6.6L Duramax diesel, found in 2001 to current GMC Sierra and Chevrolet Silverado HD pickups.
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.
Maintenance intervals and service recommendations for 1983+ International Navistar IDI diesels.
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.
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.
Step-by-step guide to replacing the glow plugs on a 7.3L Power Stroke diesel.
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.
How to remove and repair a leaking oil cooler on the 7.3L and 6.9L IDI diesel.
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.
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.
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.
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.
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.
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.
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.