Engine Cooling System: Removal & Installation Nissan Maxima A34

INSTALLATION

Installation is in the reverse order of removal, paying attention to the following.

1. Fill the radiator with coolant. Refer to «REFILLING ENGINE COOLANT»(ref-233644-S13472925892006052600000) .

Installation of Radiator Upper Clip

1. Install radiator upper clip on radiator core connection with the following procedure

Scheme 2

1. Install the rubber on mounting pin of radiator core.
2. Align the radiator upper clip with the radiator core connector, then insert the radiator upper clip straight into the radiator core connections until a click is heard.
3. After connecting the radiator upper clip, use the following method to make sure it is fully connected. Visually confirm that the two radiator upper clips are connected to the radiator core connections. Move the radiator upper clip and the radiator core forward and backward to make sure they are securely connected.

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1. Attach the spacer to the tip of the Tool. 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 Tool is closed dimension H" is approx. 7.6 mm (0.299 in).
3. Adjust dimension H" with the spacer, if necessary.

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1. Remove the tank using Tool. Tool number: KV99103520 (-) Grip the crimped edge and bend it upwards so that Tool slips off. CAUTION: Do not bend excessively. In areas where the Tool cannot be used, use a suitable tool to bend the edge up. CAUTION: Be careful not to damage tank.
2. Remove sealing rubber.
3. Make sure the edge stands straight up, using a suitable tool.
4. Remove oil cooler from tank (if equipped).

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1. Install the oil cooler (if equipped). NOTE: Pay attention to direction of conical washer.
2. Clean the contact portion of the tank.
3. Install sealing rubber by pushing it in with your fingers. CAUTION: Be careful not to twist sealing rubber gasket.
4. Crimp tank in specified sequence using Tool. Tool number: KV99103510 (-) In the locations where Tool cannot be used use a suitable tool.
5. Make sure that the rim is completely crimped down. Standard height "H": 8.0 - 8.4 mm (0.315 - 0.331 in)
6. Confirm that there is no leakage. Refer to «CHECKING RADIATOR»(ref-233648-S38350588472006052600000) .

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1. Apply pressure using Tool. Tool number: EG17650301 (J-33984-A) Specified pressure value: 157 kPa (1.6 kg/cm 2 , 23 psi) WARNING: To prevent the risk of the hose coming undone while under pressure, securely fasten it down with a hose clamp. CAUTION: Attach a hose to the oil cooler as well (if equipped).
2. Place radiator in water filled tank and check for leakage.

REMOVAL

1. Remove radiator. Refer to «REMOVAL»(ref-233648-S29776269262006052600000) .

Installation is in the reverse order of removal.

1. Installation is in the reverse order of removal paying attention to the following. Refill engine coolant. Refer to «REFILLING ENGINE COOLANT»(ref-233644-S13472925892006052600000) . Be careful not to spill coolant over engine compartment. Use a rag to absorb coolant. After installation, run engine for a few minutes, and check for leaks.

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1. Drain coolant from drain plugs on radiator and both sides of cylinder block. Refer to «DRAINING ENGINE COOLANT»(ref-233644-S13037486022006052600000) . CAUTION: Perform when the engine is cold.
2. Remove engine cover using power tool.
3. Remove air duct and air cleaner case assembly. Refer to «REMOVAL»(ref-233643-S23956234542006052600000) .
4. Remove radiator upper hose and heater hose.
5. Remove connector(s) from heater pipe.
6. Disconnect engine coolant temperature sensor electrical connector on water outlet.
7. Remove water outlet, heater pipe, water connector, and water bypass pipe mounting nuts and bolts.

1. Install in the reverse order of removal. Securely insert each hose, and install a clamp at a position where it does not interfere with the pipe bulge. When inserting a water pipe into water connector, apply neutral detergent to O-ring. Refill engine coolant. Refer to «REFILLING ENGINE COOLANT»(ref-233644-S13472925892006052600000) .