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Maintenance: Maintenance Infiniti FX50 II

Procedures 21 illustrations ~2333 words

Fluids and Lubricants

Capacity (Approximate)Recommended Fluids/Lubricants
US measureImp measureLiter
Engine oil Drain and refillWith oil filter changeVQ35HR5-1/8 qt4-1/4 qt4.9Engine oil with API Certification Mark (1) Viscosity SAE 5W-30
VK50VE7-1/8 qt5-7/8 qt6.7
Without oil filter changeVQ35HR4-7/8 qt4 qt4.6
VK50VE6-1/8 qt5-1/8 qt5.8
Dry engine (Overhaul)VQ35HR6 qt5 qt5.7
VK50VE7-5/8 qt6-3/8 qt7.2
Cooling systemWith reservoir tankVQ35HR9-3/4 qt8-1/8 qt9.2Genuine NISSAN Long Life Antifreeze/Coolant or equivalent
VK50VE11-5/8 qt9-5/8 qt11
Reservoir tankVQ35HR7/8 qt3/4 qt0.8
VK50VE7/8 qt3/4 qt0.8
Automatic transmission fluidVQ35HR9-3/4 qt (8)8-1/8 qt (8)9.2 (8)Genuine NISSAN Matic S ATF (2)
VK50VE12 qt (8)10 qt (8)11.3 (8)
Differential gear oilFront1-3/8 pt1-1/8 pt0.65Genuine NISSAN Differential Oil Hypoid Super GL-5 80W-90 or API GL-5, Viscosity SAE 80W-90 (3)
RearVQ35HR3 pt2-1/2 pt1.40VQ35HR except towing package: Genuine NISSAN Differential Oil Hypoid Super GL-5 80W-90 or API GL-5, Viscosity SAE 80W-90 (3) VK50VE and VQ35HR with towing package: Genuine NISSAN differential oil synthetic 75W-90 or API GL-5 synthetic gear oil, Viscosity SAE 75W-90 (4)
VK50VE3-3/4 pt3-1/8 pt1.75
Transfer fluid2-1/8 pt1-3/4 pt1.0Genuine NISSAN Matic J ATF (5)
Power steering fluid (PSF)1-1/8 qt7/8 qt1.0Genuine NISSAN PSF or equivalent (6)
Brake fluidGenuine NISSAN Super Heavy Duty Brake Fluid (7) or equivalent DOT 3 (US FMVSS No. 116)
Multi-purpose greaseNLGI No. 2 (Lithium soap base)
Windshield washer fluidGenuine NISSAN Windshield Washer Concentrate Cleaner & Antifreeze or equivalent
Fuel recommendationRefer to FUEL .
(1) For further details, see ENGINE OIL RECOMMENDATION . (2) Using automatic transmission fluid other than Genuine NISSAN Matic S ATF will cause deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not covered by the INFINITI new vehicle limited warranty. (3) For hot climates, viscosity SAE 90 is suitable for ambient temperatures above 0°C (32°F). (4) See an INFINITI dealer for service for synthetic oil. (5) Using transfer fluid other than Genuine NISSAN Matic J ATF will cause deterioration in driveability and transfer durability, and may damage the transfer, which is not covered by the INFINITI new vehicle limited warranty. (6) DEXRON™ VI type ATF or Canada NISSAN Automatic Transmission Fluid may also be used. (7) Available in mainland U.S.A. through an INFINITI dealer.
(8) The fluid capacity is the reference value.
(1)For further details, see ENGINE OIL RECOMMENDATION .
(2)Using automatic transmission fluid other than Genuine NISSAN Matic S ATF will cause deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not covered by the INFINITI new vehicle limited warranty.
(3)For hot climates, viscosity SAE 90 is suitable for ambient temperatures above 0°C (32°F).
(4)See an INFINITI dealer for service for synthetic oil.
(5)Using transfer fluid other than Genuine NISSAN Matic J ATF will cause deterioration in driveability and transfer durability, and may damage the transfer, which is not covered by the INFINITI new vehicle limited warranty.
(6)DEXRON™ VI type ATF or Canada NISSAN Automatic Transmission Fluid may also be used.
(7)Available in mainland U.S.A. through an INFINITI dealer.
(8)The fluid capacity is the reference value.

RECOMMENDED FLUIDS AND LUBRICANTS

ENGINE COOLANT: Draining

WARNINGNever change engine coolant when the engine is hot to avoid being scalded. Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a quarter of a turn to release built-up pressure. Then turn radiator cap all the way.

Scheme 17

Scheme 17
Scheme 17
  1. Open radiator drain plug (2) at the bottom of radiator, and then remove radiator cap. When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer to «SETTING»(ref-368853-S32326452982010081300000) .
  2. Remove reservoir tank as necessary, and drain engine coolant and clean reservoir tank before installing.
  3. Check drained engine coolant for contaminants such as rust, corrosion or discoloration. If contaminated, flush the engine cooling system. Refer to «ENGINE COOLANT: FLUSHING»(ref-368863-S23037894722010081300000) .

Scheme 18

Scheme 18: ENGINE COOLANT: Refilling
Scheme 18: ENGINE COOLANT: Refilling

Scheme 19

Scheme 19
Scheme 19

Scheme 20

Scheme 20
Scheme 20

Scheme 21

Scheme 21
Scheme 21
  1. Remove engine cover. Refer to «EXPLODED VIEW»(ref-368853-S26243768742010081300000) .
  2. Install reservoir tank if removed, and radiator drain plug. CAUTION: Be sure to clean drain plug and install with new O-ring. Tightening torque: Refer to «EXPLODED VIEW»(ref-368854-S03427150632010081300000) . If water drain plugs on cylinder block are removed, close and tighten them. Refer to «DISASSEMBLY AND ASSEMBLY»(ref-368853-S03600907982010081300000) .
  3. Check that each hose clamp is firmly tightened.
  4. Remove air relief plug (2) on radiator left side.
  5. Remove air relief plug (1) on heater hose.
  6. Fill radiator, and reservoir tank if removed, to specified level. Pour engine coolant through engine coolant filler neck slowly of less than 2l (2-1/8 US qt, 1-3/4 lmp qt) a minute to allow air in system to escape. Use Genuine NISSAN Long Life Antifreeze/Coolant or an equivalent mixed with water (distilled or demineralized). Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Engine coolant capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368854-S22431141442010081300000) . (With reservoir tank at "MAX" level) Reservoir tank engine coolant capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368854-S22431141442010081300000) . (At "MAX" level)
  7. When engine coolant overflows air relief hole on radiator, install air relief plug with new O-ring. Tightening torque: Refer to «EXPLODED VIEW»(ref-368854-S03427150632010081300000) .
  8. Repeat step 6 .
  9. When engine coolant overflows air relief hole on heater hose, install air relief plug with new O-ring. Then refill radiator with engine coolant. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb)
  10. Install radiator cap.
  11. Warm up engine until opening thermostat. Standard for warming-up time is approximately 10 minutes at 3,000 RPM. Check thermostat opening condition by touching radiator hose (lower) to see a flow of warm water. CAUTION: Watch water temperature gauge so as not to overheat engine.
  12. Stop the engine and cool down to less than approximately 50°C (122°F). Cool down using fan to reduce the time. If necessary, refill radiator up to filler neck with engine coolant.
  13. Refill reservoir tank to "MAX" level line with engine coolant.
  14. Repeat steps 10 through 13 two or more times with radiator cap installed until engine coolant level no longer drops.
  15. Check cooling system for leakage with engine running.
  16. Warm up the engine, and check for sound of engine coolant flow while running engine from idle up to 3,000 RPM with heater temperature controller set at several position between "COOL" and "WARM". Sound may be heard from the heater unit.
  17. Repeat step 16 three times.
  18. If sound is heard, bleed air from cooling system by repeating step 6 , and steps from 10 to 17 until engine coolant level no longer drops.
  19. Check that the reservoir tank cap is tightened.

Scheme 22

Scheme 22: ENGINE COOLANT: Flushing
Scheme 22: ENGINE COOLANT: Flushing

Scheme 23

Scheme 23
Scheme 23
  1. Install reservoir tank if removed, and radiator drain plug. CAUTION: Be sure to clean drain plug and install with new O-ring. Tightening torque: Refer to «EXPLODED VIEW»(ref-368854-S03427150632010081300000) . If water drain plugs on cylinder block are removed, close and tighten them. Refer to «DISASSEMBLY AND ASSEMBLY»(ref-368853-S03600907982010081300000) .
  2. Remove air relief plug (1) on heater hose.
  3. Remove air relief plug (2) on radiator.
  4. Fill radiator with water until water spills from the air relief holes, then close air relief plugs. Fill radiator and reservoir tank with water and reinstall radiator cap. Tightening torque: Refer to «EXPLODED VIEW»(ref-368854-S03427150632010081300000) .
  5. Run the engine and warm it up to normal operating temperature.
  6. Rev the engine two or three times under no-load.
  7. Stop the engine and wait until it cools down.
  8. Drain water from the system. Refer to «ENGINE COOLANT: DRAINING»(ref-368863-S42948245062010081300000) .
  9. Repeat steps 1 through 8 until clear water begins to drain from radiator.
  10. Check that the reservoir tank cap is tightened.

Scheme 24

Scheme 24: FUEL LINES: Inspection
Scheme 24: FUEL LINES: Inspection
  1. Inspect fuel lines, fuel filler cap and fuel tank for improper attachment, leakage, cracks, damage, loose connections, chafing or deterioration. (Scheme 23): Inspecting Fuel Lines
  2. If necessary, repair or replace damaged parts.

Scheme 25

Scheme 25: REMOVAL
Scheme 25: REMOVAL

Scheme 26

Scheme 26
Scheme 26
  1. Unhook clips (A).
  2. Remove holder (3) from air cleaner case (2), and then remove air cleaner filter (1) from holder.

ENGINE OIL: Draining

WARNINGBe careful not to get burned, as engine oil may be hot. Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.
  1. Warm up the engine, and check for engine oil leakage from engine components. Refer to «INSPECTION»(ref-368911-S09126643802010081300000) .
  2. Stop the engine and wait for 10 minutes.
  3. Loosen oil filler cap.
  4. Remove undercover with power tool.
  5. Remove drain plug and then drain engine oil.

ENGINE OIL: Refilling

  1. Install drain plug with new washer. Refer to «EXPLODED VIEW»(ref-368853-S27495306832010081300000) . CAUTION: Be sure to clean drain plug and install with new washer. Tightening torque: Refer to «EXPLODED VIEW»(ref-368853-S27495306832010081300000) .
  2. Refill with new engine oil. Engine oil specification and viscosity: Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Engine oil capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368911-S33076548592010081300000) . CAUTION: When filling engine oil, never pull out oil level gauge. The refill capacity depends on the engine oil temperature and drain time. Use these specifications for reference only. Always use oil level gauge to determine the proper amount of engine oil in engine.
  3. Warm up the engine and check area around drain plug and oil filter for engine oil leakage.
  4. Stop the engine and wait for 10 minutes.
  5. Check the engine oil level. Refer to «INSPECTION»(ref-368858-S19689509432010081300000) .
WARNINGNever change engine coolant when the engine is hot to avoid being scalded. Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a quarter of a turn to release built-up pressure. Then turn radiator cap all the way.

Scheme 27

Scheme 27
Scheme 27
  1. Open radiator drain plug (2) at the bottom of radiator, and then remove radiator cap. When draining all of engine coolant in the system, open water drain plug on cylinder block. Refer to «SETTING»(ref-368868-S34036213152010081300000) .
  2. Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.
  3. Check drained engine coolant for contaminants such as rust, corrosion or discoloration. If contaminated, flush the engine cooling system. Refer to «ENGINE COOLANT: FLUSHING»(ref-368863-S23037894722010081300000) .

Scheme 28

Scheme 28: ENGINE COOLANT : Refilling
Scheme 28: ENGINE COOLANT : Refilling

Scheme 29

Scheme 29
Scheme 29

Scheme 30

Scheme 30
Scheme 30
  1. Remove engine cover and engine room cover (LH). Refer to «EXPLODED VIEW»(ref-368868-S19442311672010081300000) .
  2. Install reservoir tank if removed, and radiator drain plug. CAUTION: Be sure to clean drain plug and install with new O-ring. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb) If water drain plug on cylinder block is removed, close and tighten it. Refer to «EXPLODED VIEW»(ref-368868-S37338235402010081300000) .
  3. Check that each hose clamp is firmly tightened.
  4. Remove air relief plug (2) on radiator left side.
  5. Remove air relief plug (1) on heater hose.
  6. Fill water inlet, and reservoir tank if removed, to specified level. Pour engine coolant through engine coolant filler neck slowly of less than 2l (2-1/8 US qt, 1-3/4 lmp qt) a minute to allow air in system to escape. Use Genuine NISSAN Long Life Antifreeze/Coolant or an equivalent mixed with water (distilled or demineralized). Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Engine coolant capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368881-S05211426672010081300000) . (With reservoir tank at "MAX" level) Reservoir tank engine coolant capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368881-S05211426672010081300000) . (At "MAX" level)
  7. When engine coolant overflows air relief hole on radiator, install air relief plug with new O-ring. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb)
  8. Repeat step 6 .
  9. When engine coolant overflows air relief hole on heater hose, install air relief plug with new O-ring. Then refill radiator with engine coolant. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb)
  10. Install radiator cap.
  11. Warm up engine until opening thermostat. Standard for warming-up time is approximately 10 minutes at 3,000 RPM. Check thermostat opening condition by touching radiator hose (lower) to see a flow of warm water. CAUTION: Watch water temperature gauge so as not to overheat engine.
  12. Stop the engine and cool down to less than approximately 50°C (122°F). Cool down using fan to reduce the time. If necessary, refill radiator up to filler neck with engine coolant.
  13. Refill reservoir tank to "MAX" level line with engine coolant.
  14. Repeat steps 10 through 13 two or more times with radiator cap installed until engine coolant level no longer drops.
  15. Check cooling system for leakage with engine running.
  16. Warm up the engine, and check for sound of engine coolant flow while running engine from idle up to 3,000 RPM with heater temperature controller set at several position between "COOL" and "WARM". Sound may be heard from the heater unit.
  17. Repeat step 16 three times.
  18. If sound is heard, bleed air from cooling system by repeating step 6 , and steps from 10 to 17 until engine coolant level no longer drops.
  19. Check that the reservoir tank cap is tightened.

Scheme 31

Scheme 31: ENGINE COOLANT: Flushing
Scheme 31: ENGINE COOLANT: Flushing

Scheme 32

Scheme 32
Scheme 32
  1. Install reservoir tank if removed, and radiator drain plug. CAUTION: Be sure to clean drain plug and install with new O-ring. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb) If water drain plug on cylinder block is removed, close and tighten it. Refer to «EXPLODED VIEW»(ref-368868-S37338235402010081300000) .
  2. Remove air relief plug (1) on heater hose.
  3. Remove air relief plug (2) on radiator.
  4. Fill water inlet with water until water spills from the air relief holes, then close air relief plugs. Fill water inlet and reservoir tank with water and reinstall radiator cap. Torque Specifications: 1.2 N.m (0.12 kg-m, 11 in-lb)
  5. Run the engine and warm it up to normal operating temperature.
  6. Rev the engine two or three times under no-load.
  7. Stop the engine and wait until it cools down.
  8. Drain water from the system. Refer to «ENGINE COOLANT: DRAINING»(ref-368863-S42948245062010081300000) .
  9. Repeat steps 1 through 8 until clear water begins to drain from radiator.
  10. Check that the reservoir tank cap is tightened.

Scheme 33

Scheme 33: FUEL LINES: Inspection
Scheme 33: FUEL LINES: Inspection
  1. Inspect fuel lines, fuel filler cap and fuel tank for improper attachment, leakage, cracks, damage, loose connections, chafing or deterioration.
  2. If necessary, repair or replace damaged parts.

Scheme 34

Scheme 34: REMOVAL
Scheme 34: REMOVAL

Scheme 35

Scheme 35
Scheme 35
  1. Unhook clips (A).
  2. Remove air cleaner filter (2) from air cleaner case (3).
WARNINGBe careful not to get burned, as engine oil may be hot. Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.
  1. Warm up the engine, and check for engine oil leakage from engine components. Refer to «INSPECTION»(ref-368911-S09126643802010081300000) .
  2. Stop the engine and wait for 15 minutes.
  3. Loosen oil filler cap.
  4. Remove drain plug and then drain engine oil.
  1. Install drain plug with new washer. CAUTION: Be sure to clean drain plug and install with new washer. Tightening torque: Refer to «EXPLODED VIEW»(ref-368868-S26845980202010081300000) .
  2. Refill with new engine oil. Engine oil specification and viscosity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368911-S33076548592010081300000) . Engine oil capacity: Refer to «PERIODICAL MAINTENANCE SPECIFICATION»(ref-368911-S33076548592010081300000) . CAUTION: The refill capacity depends on the engine oil temperature and drain time. Use these specifications for reference only. Always use oil level gauge to determine the proper amount of engine oil in engine.
  3. Warm up the engine and check area around drain plug and oil filter for engine oil leakage.
  4. Stop the engine and wait for 15 minutes.
  5. Check the engine oil level. Refer to «INSPECTION»(ref-368911-S09126643802010081300000) .

FLUID LEAKAGE

Check transfer surrounding area, oil seal, drain plug, and filler plug etc. for fluid leakage.

Scheme 36

Scheme 36: FLUID LEVEL
Scheme 36: FLUID LEVEL
  1. Remove filler plug (1) and gasket. Then check that fluid is filled up from mounting hole for the filler plug. CAUTION: Never start engine while checking fluid level.
  2. Set a new gasket onto filler plug, and install it on transfer and tighten to the specified torque. Refer to «VQ35HR: EXPLODED VIEW»(ref-368883-S03547336232010081300000) . CAUTION: Never reuse gasket.

Scheme 37

Scheme 37: TRANSFER FLUID: Draining
Scheme 37: TRANSFER FLUID: Draining
  1. Run the vehicle to warm up the transfer unit sufficiently.
  2. Stop the engine, and remove the drain plug (1) to drain the transfer fluid.
  3. Set a new gasket onto the drain plug, and install it on the transfer and tighten to the specified torque. Refer to «VQ35HR: EXPLODED VIEW»(ref-368883-S03547336232010081300000) . CAUTION: Never reuse gasket.

TRANSFER FLUID: Refilling

  1. Remove filler plug (1) and gasket. Then fill fluid up to mounting hole for the filler plug. Fluid and viscosity: Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Fluid capacity: Refer to «GENERAL SPECIFICATIONS»(ref-368883-S14249000702010081300000) . CAUTION: Carefully fill the fluid. Fill up for approximately 3 minutes.
  2. Leave the vehicle for 3 minutes, and check the fluid level again.
  3. Set a new gasket onto filler plug, and install it on transfer and tighten to the specified torque. Refer to «VQ35HR: EXPLODED VIEW»(ref-368883-S03547336232010081300000) . CAUTION: Never reuse gasket.

REAR DIFFERENTIAL GEAR OIL: R200: Refilling

  1. Remove filler plug (1). Fill with new gear oil until oil level reaches the specified level near filler plug mounting hole. Oil grade and viscosity: Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Oil capacity: Refer to «GENERAL SPECIFICATION»(ref-368915-S36799340852010081300000) .
  2. After refilling oil, check oil level. Set a gasket to filler plug (1), then install it to final drive assembly. Refer to «2WD: EXPLODED VIEW»(ref-368915-S25249081822010081300000) , «AWD: EXPLODED VIEW»(ref-368915-S00870895032010081300000) . CAUTION: Never reuse gasket.

REAR DIFFERENTIAL GEAR OIL: R230: Draining

  1. Stop the engine.
  2. Remove the drain plug and gasket from the rear final drive assembly to drain the differential gear oil.
  3. Install the drain plug with a new gasket to the rear final drive assembly. Tighten to the specified torque. Refer to «EXPLODED VIEW»(ref-368916-S41190596942010081300000) . CAUTION: Never reuse gasket.

REAR DIFFERENTIAL GEAR OIL: R230: Refilling

  1. Remove the filler plug and gasket from the rear final drive assembly.
  2. Fill the rear final drive assembly with new differential gear oil until the level reaches the specified level near the filler plug hole. Oil grade and viscosity: Refer to «FLUIDS AND LUBRICANTS»(ref-368863-S03317224882010081300000) . Oil capacity: Refer to «GENERAL SPECIFICATION»(ref-368916-S08095595872010081300000) .
  3. Install the filler plug with a new gasket on it to the rear final drive assembly. Tighten to the specified torque. Refer to «EXPLODED VIEW»(ref-368916-S41190596942010081300000) . CAUTION: Never reuse gasket.

LOCKS, HINGES AND HOOD LATCH: Lubricating

For hood and hood lock.

  1. Hood: Refer to «HOOD ASSEMBLY: EXPLODED VIEW»(ref-368903-S06770239872010081300000) .
  2. Hood lock: Refer to «EXPLODED VIEW»(ref-368903-S20046975882010081300000) .

For door and door lock.

  1. Front door: Refer to «DOOR ASSEMBLY: EXPLODED VIEW»(ref-368903-S07728521232010081300000) .
  2. Front door lock: Refer to «DOOR LOCK: EXPLODED VIEW»(ref-368903-S37019145732010081300000) .
  3. Rear door: Refer to «DOOR ASSEMBLY: EXPLODED VIEW»(ref-368903-S39835668342010081300000) .
  4. Rear door lock: Refer to «DOOR LOCK: EXPLODED VIEW»(ref-368903-S04799249302010081300000) .

For back door and back door lock.

  1. Back door: Refer to «BACK DOOR ASSEMBLY: EXPLODED VIEW»(ref-368903-S31040208192010081300000) .
  2. Back door lock: Refer to «EXPLODED VIEW»(ref-368903-S01487940282010081300000) .

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