length NISSAN 350Z 2007 Z33 Engine Cooling System Workshop Manual

CO-24
WATER PUMP
Revision: 2006 November2007 350Z
b. Screw M8 bolts (A) [pitch: 1.25 mm (0.049 in) length: approx. 50
mm (1.97 in)] into water pumps upper and lower mounting bolt
holes until they reach timing chain case. Then, alternately
tighten each bolt for a half turn, and pull out water pump (1).
CAUTION:

Pull straight out while preventing vane from contacting
socket in installation area.

Remove water pump without causing sprocket to contact
timing chain.
c. Remove M8 bolts and O-rings from water pump (1).
CAUTION:
Do not disassemble water pump.
INSPECTION AFTER REMOVAL

Check for badly rusted or corroded water pump body assembly.

Check for rough operation due to excessive end play.

Replace water pump, if necessary.
INSTALLATION
1. Install new O-rings to water pump.

Apply engine oil to O-rings (1) and engine coolant to O-ring
(3) as shown in the figure.

Locate O-ring (1) with yellow paint mark (A) to engine front
side.

Locate O-ring (3) with light blue paint mark (B) to rear side.
2. Install water pump.
CAUTION:
Do not allow cylinder block to nip O-rings when installing water pump.

Make sure that timing chain and water pump sprocket are engaged.

Insert water pump by tightening mounting bolts alternately and evenly.
3. Install timing chain tensioner (primary) as follows:
a. Turn crankshaft clockwise so that timing chain on the timing chain tensioner (primary) side is loose.
PBIC4939E
SLC943A
2 : Water pump
PBIC5074E