Infiniti M45 (Y34). Manual — part 285
RADIATOR
CO-13
C
D
E
F
G
H
I
J
K
L
M
A
CO
5.
Lift A/C condenser up approximately 2 cm (0.79 in).
Remove the clips from the right and left flange parts of A/C con-
denser.
CAUTION:
To avoid putting a load on A/C piping, be careful not to lift
too much.
6.
Lift up and remove radiator.
CAUTION:
●
Do not damage or scratch radiator core when removing.
●
After removing radiator, fix A/C condenser on the vehicle
side with a rope or similar means. This is to prevent a
load being applied to A/C piping.
INSTALLATION
●
Install in the reverse order of removal.
●
Align identification marks to install clips of both right and left end of radiator core. Refer to radiator compo-
nent illustration on top page.
CHECKING RADIATOR CAP
●
Valve seat of radiator cap inspection.
–
Check if valve seat is swollen to the extent that the edge of the
plunger cannot be seen when watching it vertically from the top.
–
Check if valve seat has no soil and damage.
●
Pull negative-pressure valve to open it, and make sure that it
close completely when released.
–
Make sure that there is no dirt or damage on the valve seat of
radiator cap negative-pressure valve.
–
Make sure that there are no unusualness in the opening and
closing conditions of negative-pressure valve.
●
Check radiator cap relief pressure.
–
When connecting radiator cap to the radiator cap tester adapter
(SST) and the radiator cap tester (Commercial service tool),
apply engine coolant to the cap seal surface.
●
Replace radiator cap if there is an unusualness.
PBIC2673E
PBIC2816E
SMA967B
Standard
: 78 - 98 kPa (0.8 - 1.0 kg/cm
2
, 11 - 14 psi)
Limit
: 59 kPa (0.6 kg/cm
2
, 9 psi)
SLC755A
CO-14
RADIATOR
CAUTION:
When installing a radiator cap, thoroughly wipe out the radiator filler neck to remove any waxy residue
or foreign material.
CHECKING RADIATOR
Check radiator for mud or clogging. If necessary, clean radiator as follows.
CAUTION:
●
Be careful not to bend or damage radiator fins.
●
When radiator is cleaned without removal, remove all surrounding parts such as cooling fan, radi-
ator shroud and horns. Then tape the harness and electrical connectors to prevent water from
entering.
1.
Apply water by hose to the back side of radiator core vertically downward.
2.
Apply water again to all radiator core surfaces once per minute.
3.
Stop washing if any stains no longer flow out from radiator.
4.
Blow air into the back side of radiator core vertically downward.
●
Use compressed air lower than 490 kPa (5 kg/cm
2
, 71 psi) and keep distance more than 30 cm (11.8
in).
5.
Blow air again into all the radiator core surfaces once per minute until no water sprays out.
RADIATOR (ALUMINUM TYPE)
CO-15
C
D
E
F
G
H
I
J
K
L
M
A
CO
RADIATOR (ALUMINUM TYPE)
PFP:21460
Disassembly and Assembly
ABS004R7
PREPARATION
1.
Attach the spacer to the tip of the radiator plate pliers A (SST).
Spacer specification: 1.5 mm (0.059 in) thick x 18 mm (0.71 in)
wide x 8.5 mm (0.335 in) long.
2.
Make sure that when the radiator plate pliers A (SST) are closed
dimension H
′′
is approx. 7.6 mm (0.299 in).
3.
Adjust dimension H
′′
with the spacer, if necessary.
DISASSEMBLY
1.
Remove upper and lower tanks with the radiator plate pliers B
(SST).
CAUTION:
Do not disassemble lower tank and A/T oil cooler.
NOTE:
Lower tank and A/T oil cooler from a single part are handled as
an assembly.
1.
Upper tank
2.
Sealing rubber
3.
Core
4.
Lower tank (with A/T oil cooler)
PBIC2549E
SLC655CB
SLC903-A
CO-16
RADIATOR (ALUMINUM TYPE)
●
Grip the crimped edge and bend it upwards so that the radia-
tor plate pliers B slips off.
CAUTION:
Do not bend excessively.
●
In areas where the radiator plate pliers B cannot be used, use
a screwdriver to bend the edge up.
CAUTION:
Be careful not to damage tank.
2.
Remove sealing rubber.
3.
Make sure the edge stands straight up.
ASSEMBLY
1.
Clean contact portion of tank.
SLC893
SLC930
SLC931
SLC932
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