Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Freightliner Sprinter 2500 L5-2.7L DSL TurboFACTORY OEM SERVICE PROCEDURE
Glow Plug: Service and Repair
REMOVAL
1. Disconnect the negative battery cable.
2. Use special tool #9286 pliers to unplug the glow plug wiring harness connector(s).
3. Remove the glow plug(s).
INSTALLATION
1. Screw glow plug(s) into cylinder head and tighten to 12 N.m (115 lbs. in).
2. Connect the glow plug wiring harness connector(s)
3. Connect negative battery cable.
1. Disconnect the negative battery cable.
2. Use special tool #9286 pliers to unplug the glow plug wiring harness connector(s).
Glow Plug(s):
3. Remove the glow plug(s).
INSTALLATION
1. Screw glow plug(s) into cylinder head and tighten to 12 N.m (115 lbs. in).
2. Connect the glow plug wiring harness connector(s)
3. Connect negative battery cable.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.