NISSAN ALMERA N16 2003 Electronic Repair Manual

DUCTS AND GRILLES
ATC-131
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AT C
FLOOR DUCT
1. Remove the front seats.
2. Remove the instrument panel.
3. Remove the front floor duct.
4. Peel back the floor trim to a point where the floor duct is visible.
5. Remove the nut, then remove rear floor duct.
RJIA1728E

ATC-132
REFRIGERANT LINES
REFRIGERANT LINES
PFP:92600
HFC-134a (R-134a) Service ProcedureEJS0020I
SETTING OF SERVICE TOOLS AND EQUIPMENT
Discharging Refrigerant
WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and
throat. Use only approved recovery/recycling equipment to discharge HFC-134a (R-134a) refrigerant. If
accidental system discharge occurs, ventilate work area before resuming service. Additional health
and safety information may be obtained from refrigerant and lubricant manufacturers.
Evacuating System and Charging Refrigerant
SHA539DE
SHA540DC

REFRIGERANT LINES
ATC-133
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AT C
*1AT C - 2 0 , "LUBRICANT RETURN
OPERATION"
*2ATC-145, "Checking for Refrigerant
Leaks"
*3ATC-145, "Checking for Refrigerant
Leaks"
*4AT C - 8 8 , "PERFORMANCE TEST
DIAGNOSES"
SHA383F

ATC-134
REFRIGERANT LINES
Components
EJS0020J
Refer to page ATC-5, "Precautions for Refrigerant Connection" .
RHA270I

REFRIGERANT LINES
ATC-135
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AT C
RHA271I

ATC-136
REFRIGERANT LINES
Compressor
EJS0020K
REMOVAL
With QG Engine
With YD Engine
1. Use refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.
2. Disconnect the compressor connector.
3. Remove the engine under cover (right side).
4. Remove the compressor-alternator belt.
Refer to EM-13, "
Removal and Installation" (QG engine), EM-
12, "Air Conditioner Compressor Belt" (YD engine).
RJIA0833E
RJIA0834E
RJIA1729E

REFRIGERANT LINES
ATC-137
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AT C
5. Remove the mounting nuts (bolts) from the high-pressure flexi-
ble hose and low-pressure flexible hose.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
6. Remove the mounting bolts from compressor.
7. Remove the compressor from the lower side of the vehicle.
INSTALLATION
CAUTION:
●Replace the O-ring of the low-pressure flexible hose and
high-pressure flexible hose with a new one, then apply
compressor oil to it when installing it.
●When pouring refrigerant, check for leaks.
RJIA1730E
RJIA0837E
Compressor mounting bolt (QG engine)
Tightening torque : 50 - 60 N·m (5.1 - 6.9 kg·m, 37 - 49
ft-lb)
Compressor mounting bolt (YD engine)
Tightening torque :60 - 69 N·m (6.1 - 7.1 kg·m, 45 - 51
ft-lb)
Compressor bracket mounting bolt (QG engine)
Tightening torque : 34 - 46 N·m (3.4 - 4.7 kg·m, 25 - 33
ft-lb)
Compressor bracket mounting bolt (YD engine)
Tightening torque : 57 - 65 N·m (5.8 - 6.7 kg·m, 42 - 48
ft-lb)
Nut (bolt) mounting the high-pressure flexible hose
Tightening torque : 7.8 - 19.6 N·m (0.8 - 2.0 kg·m, 69 -
173 in-lb)
Nut (bolt) mounting the low-pressure flexible hose
Tightening torque : 7.8 - 19.6 N·m (0.8 - 2.0 kg·m, 69 -
173 in-lb)
RJIA0838E

ATC-138
REFRIGERANT LINES
Compressor Clutch
EJS0020L
REMOVAL
Overhaul
1. When removing center bolt, hold clutch disc with wrench.
2. Remove the clutch disc using the clutch disc puller.
3. Remove the snap ring using external snap ring pliers.
RHA136EB
RHA399F
RHA124F
RHA138E

REFRIGERANT LINES
ATC-139
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AT C
4. Position the center pulley puller on the end of the drive shaft,
and remove the pulley assembly using any commercially avail-
able pulley puller.
To prevent the pulley groove from being deformed, the puller
claws should be positioned into the edge of the pulley assembly.
5. Remove the field coil harness clip using a pair of pliers.
6. Remove the snap ring using external snap ring pliers.
Inspection
Clutch disc
If the contact surface shows signs of damage due to excessive heat,
replace clutch disc and pulley.
Pulley
Check the appearance of the pulley assembly. If the contact surface
of pulley sows signs of excessive grooving, replace clutch disc and
pulley. The contact surfaces of the pulley assembly should be
cleaned with a suitable solvent before reinstallation.
Coil
Check coil for loose connection or cracked insulation.
INSTALLATION
1. Install the field coil.
RHA139E
RHA125F
RHA145E
RHA126F

ATC-140
REFRIGERANT LINES
Be sure to align the coil′s pin with the hole in the compressor′s
front head.
2. Install the field coil harness clip using a screwdriver.
3. Install the pulley assembly using the installer and a hand press,
and then install the snap ring using snap ring pliers.
4. Install the clutch disc on the drive shaft, together with the original
shim(s). Press the clutch disc down by hand.
5. Using the holder to prevent clutch disc rotation.
After tightening the bolt, check that the pulley rotates smoothly.
6. Check clearance around the entire periphery of clutch disc.
If the specified clearance is not obtained, replace adjusting
spacer and readjust.
RHA142E
RHA143EA
RHA127F
Tightening torque : 14 N·m (1.4 kg·m, 10 ft-lb)
RHA086E
Disc to pulley clear-
ance: 0.3 - 0.6 mm (0.012 - 0.024 in)
RHA087E