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Volvo Penta MD11D

  • Diesel
  • 1975–1984 (MD11/MD17 family)

Engine data

Specifications for Volvo Penta MD11D
Model years1975–1984 (MD11/MD17 family)
FuelDiesel
TypeInboard

Autumn and spring plan for Volvo Penta MD11D

Here's what to do when hauling out and launching. Always follow the instruction book for your engine.

Autumn

  • Change the engine oil and oil filter2.85 l API CD (DS); SAE 20W-30 above +10 °C, SAE 10W below +10 °C
  • Replace the fuel filter and water separatorFill the tank to reduce condensation.
  • Winterise the raw water systemLet the engine draw in antifreeze until it comes out of the exhaust, or drain the system as described in the owner's manual.
  • Check the coolant's antifreeze protection
  • Remove the impeller and store it dry
  • Check anodes, belts and hoses
  • Fully charge the batteries and disconnect the negative terminal

Spring

  • Fit the impellerReplace it if it is stiff or cracked.
  • Check belts, hoses, oil level and coolant
  • Check through-hulls, seacocks and hose clamps
  • Charge and connect the batteries, clean the terminals
  • After launching, check that nothing is leakingStart the engine and check that cooling water flows out evenly.
Add to calendarTick off in the service bookTwo reminders a year: in April and in October.

Email me the plan

Service data

Engine oil

Specification
API CD (DS); SAE 20W-30 above +10 °C, SAE 10W below +10 °C
Volume
2.6 l
Capacity including filter
2.85 l
Note
Engine installed level (no inclination); with RB reverse gear add approx. 0.4 l.

Valve clearance

Intake
0.3 mm
Exhaust
0.35 mm
Measurement ratio
warm engine

Thermostat & RPM

Thermostat
60 °C
Note
Starts to open at 60 °C, fully open at 74 °C (HDHE engine: 74/89 °C).
Idle
750–810 rpm
Max RPM
3300–3350 (högvarv obelastad) rpm

Tightening torque

Cylinder head nuts
30 / 80 / 110 Nm · steps
Big-end bearing
65 Nm
Flywheel nut
500 Nm
Injector
20 Nm

Troubleshooting

Troubleshooting by symptom

Exploded views & parts catalogs

  • Shop
    Parts catalog (exploded diagrams) (legacy.marinepartsexpress.com)
    EN · HTML
  • Shop
    Marine Parts Express – exploded views, Volvo Penta diesel (legacy.marinepartsexpress.com)

    Spare parts diagrams by engine model, free to browse.

  • Shop
    Marine-diesel-engine-manuals.com: Volvo Penta (external link)

    Workshop and instruction manuals for AQ, GL/GXi and drives. Some pages can be previewed for free; the full manual must be purchased.

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Related models

MD1

Inboard

Diesel

MD1B

Inboard

Diesel

MD2

Inboard

Diesel

MD2B

Inboard

Diesel

Service guides

Replacing the impeller →Winterize a boat engine →Find the engine number →

Frequently asked questions about MD11D

How much oil does the MD11D take?

MD11D takes about 2.85 litres of engine oil including the filter. Engine installed level (no inclination); with RB reverse gear add approx. 0.4 l.

What is the valve clearance on the MD11D?

Intake 0.3 mm and exhaust 0.35 mm, warm engine.

What fuel does the MD11D use?

Volvo Penta MD11D runs on diesel.

Sources

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