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Page 38 2007 HUV 4421 Gasoline and Diesel Vehicle Owner’s Manual
4. Use a clean, lint-free rag to wipe the oil filter port flange surface clean where the oil filter gasket seats.
5. To help seal the new oil filter to the oil port flange, apply a light coat of white lithium NLGI Number 2
grease (Dow Corning
®
BR2-Plus or equivalent) or new engine oil to the rubber seal around the outside
surface of the filter before attaching it to the oil filter port (Figure 26, Page 37). Install the new oil filter
(gas: P/N 603 00 00-09) (diesel: P/N 603 00 00-12) onto the engine oil filter port. See following NOTE.
NOTE: Use only Husqvarna oil filters designed for your engine.
6. Tighten the oil filter by hand 2/3 turn after gasket contact. Do not use a band wrench or channel lock pliers.
Engine Oil Filling
1. Add engine oil; use a funnel or pour spout to direct the oil into the opening (Figure 27 or Figure 28). With
filter change, the engine requires 1 qt. and 25 oz (1.7 L) of oil per change for gasoline vehicles and 3 qt.
(2.8 L) for diesel vehicles. Refer to oil viscosity guidelines for selection of oil grade (Figure 29 or
Figure 30). See following CAUTION.
CAUTION
• Do not exceed recommended oil capacity. Doing so will decrease engine performance or
result in damage to the engine.
2. Connect the battery cables, positive (+) cable first, and tighten terminals to 12 ft-lb (16 N·m). Coat ter-
minals with Battery Terminal Protector Spray (P/N 603 00 00-03).
3. With the Forward/Reverse handle in the NEUTRAL position, start and run the engine for a few minutes.
Observe both the drain plug and the oil filter from under the vehicle and watch for oil leaks. If a leak is
detected, check the tightness of the oil filter and drain plug. Tighten, repair, and/or replace components
as necessary. See following NOTE.
NOTE: Wait five minutes after turning off the engine before removing the dipstick.
4. Remove the dipstick and check the engine oil as a final step. Replace the dipstick.
Figure 27 Add Engine Oil – Gasoline Vehicles Figure 28 Add Engine Oil – Diesel Vehicles