To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment:

If the engine oil pressure light comes on, check the engine oil level right away. The oil pressure light is on the instrument cluster. See Engine Oil Pressure Light. Check the engine oil level regularly; this is an added reminder.
Engine Compartment Overview
Checking Engine OilIgnition Positions
The ignition switch has four different positions.
To shift out of P (Park), the ignition must be in ON/RUN and the regular brake
pedal applied.
1 (STOPPING THE ENGINE/LOCK/ OFF): When the vehicle is stopped, turn the ignition
switch to LOCK/ OFF to turn the engine off.
This position locks t ...
Front Differential Carrier Installation (6T40/45/50)
Front Differential Carrier Installation
Callout
Component Name
1
Final Drive Sun Gear
2
Differential Carrier Assembly
3
Front Differential Carrier Bearing Asembly
...
Fuel System Cleaning
Note: If the fuel filter is plugged, the fuel tank should be inspected
internally and cleaned if necessary.
Drain the fuel tank. Refer to Fuel Tank Draining.
Remove the fuel pump module assembly. Refer to Fuel Tank Fuel Pump Module
Replacement.
Inspect the fue ...