Volvo Penta 3.0 GS, Operator'S Manual

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Filling the drive unit (DP-S)
1. Remove the three screws securing the rear cover to
access the oil level plug.
2. Remove the oil level plug.
3. Fill the drive unit with Volvo Penta DuraPlus GL 5
Synthetic Gear Lube. Fill through the oil drain plug
location. Fill slowly to purge air. The drive unit is properly
filled when the oil appears at the oil level plug hole.
4. When filled to the proper level, install the oil level
dipstick and oil level plug first to prevent excessive oil loss, then the oil drain plug.
5. Tighten the oil level and drain plugs securely.
Note: If unable to fill the drive unit through oil drain plug, fill the drive trimming it up a few degrees and filling through
the oil level plug.
6. Reinstall the oil level plug, and place the drive in the run (down) position. Remove the dipstick and check the oil
level. Reinstall the dipstick and tighten securely.
7. Install the propellers (refer to Propeller care on page 77).
8. Install the rear cover and tighten screws securely.
9. Check the oil level with the dipstick (oil must appear on the full range of dipstick). Add oil, if required, through the
dipstick hole. Refer to
Specifications on pages 95 through 100 for drive unit lubricant capacity.
Note: If the drive unit was filled through the oil level plug, wait 15 minutes before checking oil with the dipstick. This will
help ensure all air is purged from the oil cavity. Leave the dipstick loose during the waiting period.
Lubricating the drive unit (DPX)
The drive unit is filled at the factory with Volvo Penta DuraPlus GL5 Synthetic gearcase lubricant. This lubricant must
be used when adding lubricant or refilling the drive unit.
Adding lubricant
Each week, check the oil level in the drive unit (if possible, without removing the boat
from the water).
Fully thread the oil dipstick into the oil level hole in the drive unit to properly
check the oil level. An improper oil level may result in serious drive unit damage.
Make sure that the oil level comes to the top of the flattened portion of the dipstick.

The oil should be amber-colored.

The oil will appear milky if any moisture is present.

No metal flakes should appear in the oil.
If moisture or metal flakes appear in the drive unit oil, take the boat to your Volvo Penta
dealer.
If the oil level is low, add only enough lubricant to bring the oil level within the full range of the dipstick. Improper oil
level may result in serious damage to the drive unit.
You should completely drain and refill the drive unit at least once per season.
Draining the drive unit (DPX)
1. Place the drive unit in the run (down) position and remove the dipstick.
2. Remove the propellers.
3. Remove the oil drain plug at the bottom of the propeller gear housing.
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