6.5L diesel with hood open

6.5L GM, Detroit Diesel Maintenance Schedule & Service Guide

Maintenance intervals, common part numbers, and fluid specifications for all 6.5L GM diesels.

6.9L IDI Ford F-250

6.9L & 7.3L IDI Maintenance Schedule & Service Guide

Maintenance intervals, common part numbers, and fluid specifications for the 6.9L and 7.3L IDI diesels found in 1983 to 1994 Ford trucks.

350 Oldsmobile diesel engine

5.7L Oldsmobile '350 Olds' Diesel

Often falsely perceived as a modified version of GM's 350 cid gasoline engine, the 350 Olds was GM's first attempt to make the diesel engine popular in the car and light truck sector. Considered by most as a failure, the 350 Olds may very well have made the concept of a diesel powered vehicle less popular amongst the masses.

6.9L IDI oil cooler assembly

6.9L & 7.3L IDI Diesel Oil Cooler Replacement Procedures

How to remove and replace/repair the oil cooler in a 6.9L or 7.3L IDI diesel. The oil cooler is located below the driver side exhaust manifold, where continuous heat cycles have a tendency to wreck havoc on the gaskets separating the oil and coolant passages.

6.5L GM diesel PMD/FSD

6.5L GM Diesel PMD Guide & Relocation Tutorial

Why remove the intake manifold to replace the plagued FSD/PMD when you can relocate it to a cooler, more convenient location that ensures it won't leave you stranded?

6.9L IDI glow plugs

6.9L & 7.3L IDI Diesel Glow Plug Replacement Guide

The 6.9L IDI and 7.3L IDI engines should not be particular difficult to start when the glow plug system is functioning properly. In fact, an IDI with solid glow plugs should start after only a few cranks of the engine, even in moderately cold conditions.

6.5L GM diesel oil pressure sensor

6.5L GM Diesel Oil Pressure Sensor/Switch Information & Replacement Procedures

See what it takes to replace the OPS on a 1992 to 1995 6.5L GM diesel. For these model years, the oil pressure sensor doubles as a switch, powering on the fuel lift pump only once oil pressure builds.