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Truck Mechanic Basics

because you should know this

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Volvo D13

Transcript

0:05
Starting at Left Hand front of engine this is your cold starting aid
Just below the alternator is the a/c compresser
CCV closed crankcase ventilation filter- its job is to filter out the oil fumes (blow by) coming from the sump
At the rear of the engine is the air compresser

0:38
Right hand side of the engine
volvo d13 engine
Davco filter
Water filter (coolant filter)
Egr cooler- EGR stands for Exhaust Gas Recirculation
Turbocharger- It is a Variable Geometry Turbo (VGT) which means it changes the angle of the fins inside the turbo to give different pressures
Part of the turbo is the VGT actuator which is the motor responsible for moving the angle of the fins
7th injector or AHI Nozzle- AHI stands for Aftertreatment Hydrocarbon Injector. It's basically for when the vehicle needs to do a regen it sprays fuel in to get the exhaust temperatures up
EGR valve- This controls how much exhaust gas is let through to the EGR Cooler
EGR Hot pipe (telephone pipe)
EGR Cross over pipe the pipe that allows the recycled exhaust gas to flow back around to the intake manifold

2:08
Rear of the engine
volvo d13 engine
Lower valve cover
Upper timing cover- A known place for them to leak
The timing gears are at the rear of the engine
The timing Plate is another common area for leaking. Its located underneath the flywheel housing, underneath the timing gears

2:44
Under the valve cover
volvo d13 and d16
VEB vehicle engine brake
Cam gear
Exhaust Rocker arm
VEB rocker arm
Veb Spool

Injector and Injector Cup these are common problems
The cup is pressed into the head.

I have had a request by a viewer on you tube about where the Coolant temp sensor and thermostat is, you cant actually see it in this picture because it is hidden by the egr cross over pipe but its in there. Rhs front, top of the engine.

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