Maintenance: Other Nissan Quest III

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.

Information necessary to service the system safely is included in the SUPPLEMENTAL RESTRAINT SYSTEM and SEAT BELT articles .

Special Service Tool

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

SPECIAL SERVICE TOOLS TABLE Tool number (Kent-Moore No.) Tool name Description KV10115801 (J-38956) Oil filter cap wrench Removing oil filter a: 64.3 mm (2.531 in) KV991J0070 (J-45695) Coolant refill tool For refilling engine cooling system KV991J0010 (J-23688) Engine coolant refractometer Checking concentration of ethylene glycol in engine coolant

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Commercial Service Tool

COMMERCIAL SERVICE TOOLS TABLE (Kent-Moore No.) Tool name Description (BT-3373-F) Belt tension gauge Checking drive belt tension Spark plug wrench Removing and installing spark plugs Power Tool Loosening bolts and nuts

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General maintenance includes those items which should be checked during the normal day-to-day operation of the vehicle. They are essential if the vehicle is to continue operating properly. The owners can perform checks and inspections themselves or have their NISSAN dealers do them.

OUTSIDE THE VEHICLE

The maintenance items listed here should be performed from time to time, unless otherwise specified.

OUTSIDE THE VEHICLE

INSIDE THE VEHICLE

The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the vehicle, etc.

INSIDE THE VEHICLE

UNDER THE HOOD AND VEHICLE

The maintenance items listed here should be checked periodically (e.g. each time you check the engine oil or refuel).

UNDER THE HOOD AND VEHICLE

Two different maintenance schedules are provided, and should be used, depending upon the conditions in which the vehicle is mainly operated. After 60,000 miles (96,000 km) or 48 months, continue the periodic maintenance at the same mileage/time intervals.

PERIODIC MAINTENANCE REFERENCE TABLE

EMISSION CONTROL SYSTEM MAINTENANCE TABLE

MAINTENANCE OPERATION TABLE

1. After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts if found damaged.
2. If operating mainly in dusty conditions, more frequent maintenance may be required.
3. Maintenance-free item. For service procedures, go to «FUEL SYSTEM»(ref-239956) article .
4. After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
5. If valve noise increases, inspect valve clearance.

CHASSIS AND BODY MAINTENANCE TABLE (1 OF 2)

CHASSIS AND BODY MAINTENANCE TABLE (2 OF 2)

1. If towing a trailer, using a camper or a car-top carrier, or driving on rough or muddy roads, change (not just inspect) oil at every 30,000 miles (48,000 km) or 24 months. For 5 A/T models, using automatic transmission fluid other than Genuine NISSAN Matic Fluid K ATF will cause deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not covered by the NISSAN new vehicle limited warranty.
2. Refer to , " «GENERAL MAINTENANCE»(ref-239943-S30769978362006080400000) ".

EMISSION CONTROL SYSTEM MAINTENANCE TABLE

1. After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts if found damaged.
2. Maintenance-free item. For service procedures, go to «FUEL SYSTEM»(ref-239956) article .
3. After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
4. If valve noise increases, inspect valve clearance.

CHASSIS AND BODY MAINTENANCE TABLE

1. For 5 A/T models, using automatic transmission fluid other than Genuine NISSAN Matic Fluid K ATF will cause deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not covered by the NISSAN new vehicle limited warranty.
2. Refer to , " «GENERAL MAINTENANCE»(ref-239943-S30769978362006080400000) ".

ANTI-FREEZE COOLANT MIXTURE RATIO

The engine cooling system is filled at the factory with a high-quality, long life, year-round, anti-freeze coolant solution. The anti-freeze solution contains rust and corrosion inhibitors. Therefore, additional cooling system additives are not necessary.

ANTI-FREEZE COOLANT MIXTURE RATIO

CHECKING DRIVE BELTS

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1. Inspect the belts for cracks, fraying, wear, or oil contamination. If necessary, replace the belts with new ones.
2. Inspect the belt deflection by applying 98 N (10 kg-f, 22 lb-f) on the belt midway between pulleys as shown.
3. Measure the belt tension using commercial service tool at the belt locations as shown. Tool number: BT-3373-F NOTE: Inspect the belt deflection or tension when engine is cold. Adjust if the belt deflection exceeds the limit or if belt tension is not within specifications. CAUTION: When checking the belt deflection or tension immediately after installation, first adjust it to the specified value. Then, after turning the crankshaft two or more turns, readjust to the specified value to avoid variation in deflection between the pulleys. Tighten the idler pulley lock nut by hand and measure deflection or tension without looseness.

Belt Deflection and Tension

BELT DEFLECTION AND TENSION TABLE

Changing Engine Coolant

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1. Remove engine undercover.
2. Open radiator drain plug at the bottom of radiator and remove the radiator filler cap. This is the only step required for a partial cooling system drain.
3. For a complete cooling system drain, remove the reservoir tank and drain the coolant, and then clean the reservoir tank before installation. Do not allow coolant to spill on the drive belts.
4. When performing a complete cooling system drain (to remove the engine or for engine repair), remove the cylinder block front drain plug and the cylinder block RH and LH drain plugs. CAUTION: If the vehicle is equipped with an engine block heater in place of the cylinder block LH drain plug, do not remove the engine block heater. For references, refer to «GENERAL INFORMATION»(ref-239935)
5. Check the drained coolant for contaminants such as rust, corrosion or discoloration. If contaminated, flush the engine cooling system. Refer to , " «FLUSHING COOLING SYSTEM»(ref-239943-S01131322942006080400000) ".

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1. Install the radiator drain plug. If the cooling system was drained completely, install the reservoir tank and the cylinder block drain plugs and tighten to specification. CAUTION: If the vehicle is equipped with an engine block heater in place of the cylinder block LH drain plug, do not remove the engine block heater. The radiator must be completely empty of coolant and water. Apply sealant to the threads of the cylinder block drain plugs. Use Genuine High Performance Thread Sealant or equivalent. Refer to , " «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-239935-S21612245322006080400000) ". NOTE: For references, refer to «GENERAL INFORMATION»(ref-239935) Radiator drain plug: Refer to , " «RADIATOR»(ref-239944-S31900986342006080400000) ". Cylinder block front drain plug: Refer to , " «CYLINDER BLOCK»(ref-239942-S37060284972006080400000) ". Cylinder block RH drain plug: Refer to , " «CYLINDER BLOCK»(ref-239942-S37060284972006080400000) ". Cylinder block LH drain plug: Refer to , " «CYLINDER BLOCK»(ref-239942-S37060284972006080400000) ".
2. If disconnected, reattach the upper radiator hose at the engine side.
3. Set the vehicle heater controls to the full HOT and heater ON position. Turn the vehicle ignition ON with the engine OFF as necessary to activate the heater mode.
4. Install the Tool by installing the radiator cap adapter onto the radiator neck opening. Then attach the gauge body assembly with the refill tube and the venturi assembly to the radiator cap adapter. Tool number: KV991J0070 (J-45695)
5. Insert the refill hose into the coolant mixture container that is placed at floor level. Make sure the ball valve is in the closed position. Use Genuine NISSAN Long Life Anti-Freeze Coolant or equivalent, mixed 50/50 with distilled water or demineralized water. Refer to , " «ANTI-FREEZE COOLANT MIXTURE RATIO»(ref-239943-S30715063122006080300000) ". Engine coolant capacity (with reservoir): Refer to , " «FLUIDS AND LUBRICANTS»(ref-239943-S04533857262006080300000) ".
6. Install an air hose to the venturi assembly, the air pressure must be within specification. Compressed air supply pressure: 5.7 - 8.5 kPa (5.6 - 8.4 kg/cm 2 , 80 - 120 psi) CAUTION: The compressed air supply must be equipped with an air dryer.
7. The vacuum gauge will begin to rise and there will be an audible hissing noise. During this process open the ball valve on the refill hose slightly. Coolant will be visible rising in the refill hose. Once the refill hose is full of coolant, close the ball valve. This will purge any air trapped in the refill hose.
8. Continue to draw the vacuum until the gauge reaches 28 inches of vacuum. The gauge may not reach 28 inches in high altitude locations, refer to the vacuum specifications based on the altitude above sea level. Altitude above sea livel Vacuum gauge reading 0 - 100 m (328 ft) 28 inches of vacuum 300 m (984 ft) 27 inches of vacuum 500 m (1,641 ft) 26 inches of vacuum 1,000 m (3,281 ft) 24 - 25 inches of vacuum
9. When the vacuum gauge has reached the specified amount, disconnect the air hose and wait 20 seconds to see if the system loses any vacuum. If the vacuum level drops, perform any necessary repairs to the system and repeat steps 6 - 8 to bring the vacuum to the specified amount. Recheck for any leaks.
10. Place the coolant container (with the refill hose inserted) at the same level as the top of the radiator. Then open the ball valve on the refill hose so the coolant will be drawn up to fill the cooling system. The cooling system is full when the vacuum gauge reads zero. CAUTION: Do not allow the coolant container to get too low when filling, to avoid air from being drawn into the cooling system.
11. Remove the Tool from the radiator neck opening.
12. Fill the cooling system reservoir tank to the specified level, and install the radiator cap. Run the engine to warm up the cooling system and top up the system as necessary.

Checking Fuel Lines

Inspect the fuel lines and fuel tank for improper hose attachment, leaks, cracks, damage, loose connections, chafing, or deterioration. If necessary, repair or replace faulty parts.

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Note. The viscous paper type filter does not need cleaning between replacement intervals. Refer to , " PERIODIC MAINTENANCE ".

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1. Disconnect the tube clamp at the air cleaner to electric throttle control actuator tube at the mass air flow sensor.
2. Separate the mass air flow sensor from the air cleaner to electric throttle control actuator tube.
3. Unhook the air cleaner case side clips and remove the air cleaner case (upper).
4. Remove the air cleaner filter.
5. Install a new air cleaner filter.
6. Install the remaining components in the reverse order of removal.

Changing Engine Oil

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1. Park the vehicle on a flat and level surface, then start the engine to warm up the oil.
2. Check for oil leaks from the engine.
3. Stop the engine and wait for 10 minutes.
4. Remove the oil drain plug and oil filler cap.
5. Drain the engine oil.
6. Install the oil drain plug. Oil pan drain plug: Refer to , " «OIL PAN AND OIL STRAINER»(ref-239942-S28342860712006080400000) ". CAUTION: Clean the drain plug and install using a new washer.
7. Refill the engine with new engine oil. Refer to , " «RECOMMENDED FLUIDS AND LUBRICANTS»(ref-239943-S32797248202006080300000) ". CAUTION: The refill oil capacity depends on the oil temperature and drain time. Use these specifications for reference only. Always use the dipstick to determine when the proper amount of oil is in the engine.
8. Warm up the engine and check the oil drain plug and oil filter for oil leaks.
9. Stop engine and wait at least 10 minutes.
10. Check engine oil level. Refer to , " «ENGINE OIL LEVEL»(ref-239949-S15510532352006080400000) ".

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1. Remove the RH splash shield.
2. Remove the oil filter using Tool. Tool number: KV10115801 (J-38956) CAUTION: The oil filter is equipped with a relief valve. Use a Genuine NISSAN oil filter. Be careful not to get burned when the engine and engine oil are hot. When removing the oil filter, use a shop cloth to absorb any oil leaks or spills. Do not allow engine oil to adhere to the drive belts. Completely wipe off any oil that adheres to the engine and the vehicle.
3. Remove any foreign material adhering to the oil filter installation surface on the oil cooler.
4. Apply engine oil to the oil seal contact surface of the new oil filter as shown.
5. Screw the oil filter manually until it touches the installation surface, then tighten it by turning another 2/3 turn as shown. Or tighten to specification using Tool. Oil filter: Refer to , " «OIL FILTER»(ref-239949-S42615975302006080400000) ". Tool number: KV10115801 (J-38956)
6. After warming up the engine, check for engine oil leaks.
7. Install the RH splash shield.
8. Check engine oil level and add engine oil as necessary. Refer to , " «ENGINE OIL LEVEL»(ref-239949-S15510532352006080400000) ".

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1. Remove the engine cover, using power tool.
2. Drain the engine coolant. Refer to , " «DRAINING ENGINE COOLANT»(ref-239943-S00213979352006080300000) ".
3. Disconnect the mass air flow sensor electrical connector and remove the air cleaner case (upper), mass air flow sensor and air cleaner to electric throttle control actuator tube. Refer to , " «REMOVAL AND INSTALLATION»(ref-239942-S12459786952006080400000) ".
4. Remove the intake manifold collector (upper), gasket, and electric throttle control actuator. Refer to , " «REMOVAL AND INSTALLATION»(ref-239942-S36735307182006080400000) ".
5. Remove the six ignition coils. CAUTION: Do not shock them.
6. Remove the six spark plugs using a suitable tool. If replacing the spark plugs use the correct spark plug for maximum performance. Refer to , " «CHANGING SPARK PLUGS (PLATINUM - TIPPED TYPE)»(ref-239943-S36081995322006080300000) ".

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If plug tip is covered with carbon, a spark plug cleaner may be used.

Cleaner air pressure: less than 588 kPa (6 kg/cm 2 , 85 psi)

Cleaning time: less than 20 seconds

Checking and adjusting plug gap is not required between change intervals.

Gap (nominal): Refer to , " SPARK PLUG ".

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Checking EVAP Vapor Lines

1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections, chafing and deterioration.
2. Inspect fuel tank filler cap vacuum relief valve for clogging, and sticking.

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1. Remove the glove box assembly. Refer to , " «GLOVE BOX»(ref-239968-S18686098772006080300000) ".
2. Remove the three screws and remove the in-cabin microfilter cover.
3. Remove the in-cabin microfilters from the front heater and cooling unit assembly.
4. Install the in-cabin microfilters, replacing the two in-cabin microfilters with new filters, into the front heater and cooling unit assembly. CAUTION: When installing the two new in-cabin microfilters make sure that the filters are facing in the direction indicated by the direction arrow for the air flow. The direction arrow is printed on the side of the in-cabin microfilters.
5. Install the in-cabin microfilter cover.
6. Install the glove box assembly. Refer to , " «GLOVE BOX»(ref-239968-S18686098772006080300000) ".

Checking Exhaust System

Check the exhaust pipes, muffler, and exhaust mounts for improper attachment, leaks, cracks, damage, chafing, or deterioration.

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1. Warm up the engine.
2. Check for any transaxle fluid leaks.
3. Before driving, the fluid level can be checked at fluid temperature using the "COLD" range on the A/T fluid level gauge. 4 A/T temperature range COLD: 30° - 50° C (86° - 122° F) HOT: 50° - 80° C (122° - 176° F) 5 A/T temperature range COLD: 30° - 40° C (86° - 104° F) HOT: 70° - 80° C (158° - 176° F) Park the vehicle on a level surface and set parking brake. Start the engine and move the transaxle selector lever through each gear position. Leave the selector lever in the "P" park position. Check the fluid level with the engine idling. CAUTION: Firmly fix the A/T fluid level gauge into the A/T fluid charging pipe using the attached stopper, this will provide an accurate reading on the gauge. Remove the A/T fluid level gauge and wipe it clean with a lint-free paper. Re-insert the A/T fluid level gauge into the charging pipe as far as it will go. Remove the A/T fluid level gauge and note the reading. If the reading is at or below the low side of the range, add the necessary specified A/T fluid through the A/T fluid charging pipe and then re-insert the A/T fluid level gauge. CAUTION: Do not overfill the transaxle. Firmly fix the A/T fluid level gauge into the A/T fluid charging pipe using the attached stopper, this will provide an accurate reading on the gauge, and will keep the gauge in position while driving.
4. Drive the vehicle for approximately 5 minutes at moderate speeds.
5. Re-check the fluid level at fluid temperatures using the "HOT" range on the A/T fluid level gauge. CAUTION: Firmly fix the A/T fluid level gauge into the A/T fluid charging pipe using the attached stopper, this will provide an accurate reading on the gauge, and will keep the gauge in position while driving. 4 A/T temperature range COLD: 30° - 50°C (86° - 122°F) HOT: 50° - 80°C (122° - 176°F) 5 A/T temperature range COLD: 30° - 40°C (86° - 104°F) HOT: 70° - 80°C (158° - 176°F)
6. Check the fluid for the following conditions: If the fluid is very dark or smells burned, refer to the «AUTOMATIC TRANSAXLE»(ref-239954) article for checking the operation of the transaxle. Flush the AT fluid cooling system after repairing the transaxle. If the fluid contains frictional material (from the clutches or bands), remove the radiator and flush the cooler lines using a cleaning solvent and compressed air after completing repairs to the transaxle. Refer to , " «RADIATOR»(ref-239944-S31900986342006080400000) ".

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1. Run the engine to warm up the transaxle until the fluid is at full operating temperature "HOT". 4 A/T temperature range COLD: 30° - 50° C (86° - 122° F) HOT: 50° - 80° C (122° - 176° F) 5 A/T temperature range COLD: 30° - 40° C (86° - 104° F) HOT: 70° - 80° C (158° - 176° F)
2. Stop the engine.
3. Remove the engine undercover.
4. Drain the A/T fluid by removing the drain plug. Reinstall the drain plug to the specified tightness using a new drain washer. Drain plug 4 A/T: Refer to , " «COMPONENTS»(ref-239954-S31984146312006080400000) ". 5 A/T: Refer to , " «COMPONENTS»(ref-239954-S41334212862006080400000) ".
5. Refill the transaxle with new specified A/T fluid through the A/T fluid charging pipe. Always refill the transaxle with the same volume amount that was drained out. CAUTION: Do not overfill the transaxle. Fluid grade and capacity (with torque converter) 4 A/T: Refer to , " «RECOMMENDED FLUIDS AND LUBRICANTS»(ref-239943-S32797248202006080300000) ". 5 A/T: Refer to , " «RECOMMENDED FLUIDS AND LUBRICANTS»(ref-239943-S32797248202006080300000) ".
6. Run the engine at idle speed for five minutes.
7. Check fluid level and condition. Refer to , " «CHECKING A/T FLUID»(ref-239943-S35349546092006080300000) ". If the fluid is still contaminated, repeat steps 2 through 5.

PAX RUN FLAT TIRE AND WHEEL

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1. Remove the inner and outer balance weights from the road wheel. CAUTION: Be careful not to scratch the road wheel during removal.
2. Use a releasing agent to remove the double-faced adhesive tape from the road wheel. CAUTION: Be careful not to scratch the road wheel during removal. After removing the double-faced adhesive tape, wipe off any traces of the releasing agent from the road wheel.
3. Set the road wheel on the wheel balancer using the center hole as a guide. Start the tire balance machine. NOTE: If a tire balance machine has an adhesion balance weight mode setting and drive-in weight mode setting, select and adjust in the drive-in weight mode suitable for the road wheels.
4. When the inner and outer unbalance values are shown on the wheel balancer indicator, multiply outer unbalance value by 1.6 to determine balance weight that should be used. Select the outer balance weight with a value closest to the calculated value, then install it at the designated outer position of, or at the designated angle position on the road wheel. CAUTION: Do not install the inner balance weight before installing the outer balance weight. Before installing the balance weight, be sure to clean the mating surface of the road wheel. Calculation: Indicated unbalance value x 1.6 = balance weight to be installed Calculation example: 23 g (0.81 oz) x 1.6 = 38.33 g (1.35 oz) = 40 g (1.41 oz) balance weight (closer to calculated balance weight value) NOTE: The selected balance weight value must be the closest balance weight available to the calculated balance weight value. Example: 37.4 = 35 g (1.23 oz) 37.5 = 40 g (1.41 oz) Install the balance weight in the position as shown. When installing the balance weight to the road wheels, set it into the grooved area on the inner wall of the road wheel as shown, so that the balance weight center is aligned with the wheel balancer indication position (angle). CAUTION: Always use Genuine NISSAN adhesion balance weights. Balance weights are not reusable; always replace with new ones. Do not install more than three sheets of balance weight. If calculated balance weight value exceeds 50 g (1.76 oz), install two balance weight sheets in line with each other. CAUTION: Do not install one balance weight sheet on top of another.
5. Start the wheel balancer.
6. Install the drive-in balance weight on the inner side of the road wheel in the wheel balancer indication position (angle). CAUTION: Do not install more than two balance weights in one position (angle).
7. Start the wheel balancer. Make sure that the inner and outer residual unbalance values are 5 g (0.18 oz) each or less. Wheel Balance (Maximum Allowable Unbalance) WHEEL BALANCE SPECIFICATION TABLE Maximum allowable unbalance Dynamic (at rim flange) Less than 5 g (0.18 oz) (per side) Static (at rim flange) Less than 10 g (0.35 oz) If either residual unbalance value exceeds 5 g (0.18 oz), repeat the installation procedures.

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1. Rotate the tires (Scheme 42) <=: Front Wheel nuts: Refer to, " «ROAD WHEEL TIRE ASSEMBLY»(ref-239952-S29018857392006080300000) ".
2. After rotating the tires, adjust the tire pressure to specification.
3. Retighten the wheel nuts to specification after the vehicle has been driven the first 1,000 km (600 miles). Also retighten the wheel nuts to specification after a flat tire repair, or any type of service where the wheels have been removed and installed. CAUTION: When installing wheels, tighten them diagonally by dividing the work two to three times in order to prevent the wheels from developing any distortion.

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1. Check the brake fluid level in the sub tank. It should be between the "MAX" and "MIN" lines on the sub tank.
2. Visually check around the reservoir tank and sub tank for leaks.
3. If the brake fluid level is extremely low or below the "MIN" level, check the brake system for leaks.
4. Release the parking brake lever and check that the brake warning lamp goes off. If not, check the brake system for leaks.

Checking Brake Lines and Cables

Check the brake fluid lines and parking brake cables for improper attachment, leaks, chafing, abrasions, deterioration, and damage. Repair or replace parts as necessary.

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ROTOR

Check the rotor condition and thickness. Resurface or replace the rotor as necessary. Refer to , " DISC BRAKE ".

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CALIPER

Check the caliper for leakage.

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PAD

Check the brake pads for wear or damage. Refer to , " DISC BRAKE ".

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STEERING GEAR

1. Check the gear housing and boots for looseness, damage and power steering fluid leaks.
2. Check the power steering hose connections for leaks.
3. Check the steering column for looseness.

STEERING LINKAGE

Check the ball joint, dust cover and other component parts for looseness, wear, damage and grease leaks.

Axle and Suspension Parts

Check the front and rear axle and suspension parts for excessive play, cracks, wear, or other damage.

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1. Shake each wheel as shown to check for excessive play.
2. Rotate each wheel to check for abnormal noise.
3. Check the strut mount nuts for looseness.
4. Check the axle and suspension nuts and bolts for looseness.
5. Check the struts for oil leakage or other damage.
6. Check suspension ball joint for grease leakage and ball joint dust cover for cracks or other damage.

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1. Check the boot and drive shaft for cracks, wear, damage and grease leakage as shown.

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Checking Seat Belts, Buckles, Retractors, Anchors and Adjusters

Check the seat belt buckles, webbing, retractors, anchors and adjusters. Replace any seat belt assembly as necessary. Refer to , " SEAT BELT INSPECTION ".

1. Check the seat belt anchors for loose bolts, damage, or excessive wear.
2. Check the seat belt webbing for any damage, cuts, fraying, or excessive wear.
3. Check the retractor for smooth operation.
4. Check the function of the buckles by inserting the seat belt tongue and checking for proper engagement of the buckle and press the button on the buckle to check for proper release of the seat belt tongue. CAUTION: After any collision, inspect all seat belt assemblies, including retractors and other attached components, such as the guide rail set. NISSAN recommends replacing all seat belt assemblies in use during a collision, unless they are not damaged and are inspected to confirm they are operating properly after a minor collision. Also inspect all seat belt assemblies that are not in use during a collision, and replace any components if damaged or not operating properly. The seat belt pre-tensioner should be replaced even if the seat belts are not in use during a frontal collision where the driver and passenger air bags have been deployed. If any component of the seat belt assembly is suspected of being damaged or not operating properly, do not repair the component. Replace the components as an assembly. If the seat belt webbing is cut, frayed, or damaged then replace the seat belt assembly. Never lubricate the seat belt buckle or tongue. When replacing any seat belt assembly always use a Genuine NISSAN seat belt assembly.