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2003 CC 3500 4x4 DRW
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Discussion Starter · #1 ·
Wanting to pull a fuse or relay so the truck won’t start while cranking with the intent of pumping oil through the turbos after installing compounds. Possible?
 

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TECH SPECIALIST
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13,183 Posts
Pull the fuel pump fuse, drain the bowl and leave the valve open...

Also, is it possible to pull the turbo feedlines and por oil into them?
 

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1,060 Posts
Just pull the 2 connectors for fuel injector’s.
 
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What I always do is to leave the ignition key off and then, using a remote start switch, activate the primary on the starter solenoid.
With the key off the ECM has no power, the lift pump has no power, the injectors are not active, nothing is active.

On most early 3rd Gen trucks, the starter primary wire is easily accessed by the fuse box in front of the drivers side battery.
It's a larger gauge yellow wire.
There is a connector there you can disconnect, then connect the starter switch to 12V and the yellow primary wire.

Try to pour some oil down the oil feed ports of both turbo's also if possible.
 
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Lower carbon footprint than new junk
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If you fill the turbos with oil while spinning it over they'll be fine. They will be getting more than enough oil than needed at startup for idle anyways.
 

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Lower carbon footprint than new junk
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While spinning them over by hand is what I meant, not cranking just be clear.
 
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