Oil pump - Overhaul

ENGINE - K SERIES KV6

12-3-104 OVERHAUL

Oil pump - Overhaul

$% 12.60.32

Remove

1. Remove oil pump gasket.

 + 

 ENGINE - K SERIES KV6, REPAIRS, 

Gasket - oil pump.

Disassembly

1. Remove 4 Torx screws securing cover plate to 

oil pump body.

CAUTION: Do not allow cover to separate 
from pump body.

2. Invert oil pump.

3. Carefully remove cover plate from oil pump 

body taking care to ensure that rotors are 
retained in pump body.

Note: Cover plate is dowel located.

4. Remove and discard cover plate sealing ring.
5. Make suitable alignment marks between inner 

and outer rotors and pump body.

6. Remove inner and outer rotors.
7. Clean inner and outer rotors and rotor housing.
8. Fit inner and outer rotors ensuring that 

reference marks are aligned.

Inspect

1. Check rotor clearances:

l

Outer rotor to body = 0.13 - 0.23 mm 
(0.0051 - 0.0091 in)

l

Inner rotor tip = 0.05 - 0.13 mm (0.002 - 
0.005 in)

l

Inner and outer rotor end-float = 0.04 - 0.09 
mm (0.0016 - 0.0035 in)

2. Renew oil pump as an assembly if clearances 

are excessive.