Extension Case Oil Change

Before changing or inspecting oil, be sure to stop engine and lift vehicle horizontally.
With vehicle lifted up, check oil level and leakage. If leakage exists, correct or repair it.
NOTE: Whenever vehicle is hoisted for any other service work than oil change, also be sure to check for oil leakage.
Remove oil filler plug (2).
Remove drain plug (1), and drain old oil.
Apply sealant to thread of drain plug (1), and tighten it to specified torque.
"A": Sealant 99000-31260SUZUKI Bond No.1217G

Tightening torque

Extension case oil drain plug a: 23 N.m (2.3 kg-m, 17.0 lb-ft)

NOTE: If water or rust is mixed in drained oil, be sure to check breather hose of extension case.
Pour new specified oil until oil level reaches bottom of oil filler plug hose (3) as shown in figure.
NOTE: It is highly recommended to use API 75 W-90 gear oil.

Gear oil specifications:

API GL-4 (For SAE classification, refer to viscosity chart [A])

Extension case oil capacity (Reference)

0.4 liters (0.8/0.7 US/lmp. pt)
Apply sealant to thread of filler plug, and then tighten it to specified torque.
"A": Sealant 99000-31260SUZUKI Bond No.1217G

Tightening torque

Extension case oil filler plug b: 23 N.m (2.3 kg-m, 17.0 lb-ft)

Fig 1: Identifying Oil Filler Plug & Drain Plug
Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Identifying Filler Plug Hole
Courtesy of SUZUKI OF AMERICA CORP.

Fig 3: Oil Viscosity Chart
Courtesy of SUZUKI OF AMERICA CORP.