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7741591 / 2003-12
Engine . . . . . . . . . . . . . . . . . .
DPX375-B(F), DPX420-B(F)
Bore and stroke . . . . . . . . . . . . . . . . .
107.95 x 111.00mm (4.250 x 4.370 inches)
Cylinders (number) . . . . . . . . . . . . . .
90° V-8
Displacement . . . . . . . . . . . . . . . . . .
496 cubic inches (8.1 liters)
Firing order . . . . . . . . . . . . . . . . . . . .
1 – 8 – 7 – 2 – 6 – 5 – 4 – 3
Full throttle operating range DPX375
4200 – 4600 RPM
Full throttle operating range DPX420
4600 – 5000 RPM
Idle RPM (fixed) DPX375 . . . . . . . . .
550 RPM
Idle RPM (fixed) DPX420 . . . . . . . . .
600 RPM
Fuel System
DPX375 / DPX420 . . . . . . . . . . . . . .
Port injection
Fuel pumps . . . . . . . . . . . . . . . . . . . .
Electric
Fuel filter . . . . . . . . . . . . . . . . . . . . . .
Volvo Penta Part no. 3852413
Fuel filter location . . . . . . . . . . . . . . .
Refer to photographs on features pages.
Fuel type . . . . . . . . . . . . . . . . . . . . . .
Inside the U.S.: 89 octane (AKI) unleaded gasoline
Outside the U.S.: 93 octane (RON) unleaded gasoline
Electrical System
Charging system . . . . . . . . . . . . . . . .
12 volt 65 amp alternator, with internal transistorized voltage regulator
Battery size . . . . . . . . . . . . . . . . . . . .
12 volt with 650 Cold Cranking Amp (CCA) rating (135 minute reserve capacity)
CAUTION!
Do not use a deep cycle battery as the start battery.
Starter . . . . . . . . . . . . . . . . . . . . . . . .
12 volt 1.7kW output, planetary reduction gear
Ignition System
Distributorless . . . . . . . . . . . . . . . . . .
Crankshaft and camshaft triggered ignition sensors.
Ignition timing . . . . . . . . . . . . . . . . . .
10° BTDC fixed and non-adjustable, See Workshop Manual for procedure.
Spark plugs . . . . . . . . . . . . . . . . . . . .
Volvo Penta Part no. 3861326
Spark plug gap . . . . . . . . . . . . . . . . .
1.52 mm (0.060 inches)
Spark plug installation torque . . . . . .
30 N•m (22 ft. lb.)
Cooling system
Raw water pump . . . . . . . . . . . . . . . .
Crankshaft mounted variable volume flexible impeller pump
Recirculating pump . . . . . . . . . . . . . .
Fixed impeller belt driven pump on engine
Thermostat . . . . . . . . . . . . . . . . . . . .
64°C (140°F) Volvo Penta part no. 3853983
-BF . . . . . . . . . . . . . . . . . . . . . . . . . .
Closed cooling heat exchanger mounted on engine.
Thermostat . . . . . . . . . . . . . . . . . . . .
76°C (170°F) Volvo Penta Part no. 875788
Oil capacity
Engine without filter . . . . . . . . . . . . .
8 quarts (7.5 liters)
Engine with filter . . . . . . . . . . . . . . . .
9 quarts (8.5 liters)
Drive unit DPX-A . . . . . . . . . . . . . . . .
2.6 liters (2.7 quarts)
Oil filter . . . . . . . . . . . . . . . . . . . . . . .
Volvo Penta Part no. 3850559
Oil filter location . . . . . . . . . . . . . . . .
Refer to photographs on features pages.
Oil type
Engine . . . . . . . . . . . . . . . . . . . . . . . .
DuraPlus™ Heavy Duty Synthetic engine oil, or suitable pure synthetic oil altenative
with the minimum API service raing SJ
Drive unit . . . . . . . . . . . . . . . . . . . . . .
DuraPlus SAE 75W/90 API service GL 5 synthetic gear oil
Power Trim system . . . . . . . . . . . . . .
Duraplus Trim fluid Volvo Penta Part no. 3851039
DPX Steering fluid U.S. . . . . . . . . . . .
Steering fluid Part no. 1141640
Specifications
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Summary of Contents for 3.0GL-B
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