Tune-up instructions please?

Tiny
SHORTY323
  • MEMBER
  • 2007 NISSAN ALTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 38,350 MILES
What is need to perform a tune-up on this specific car and what is the process?
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Tuesday, January 13th, 2009 AT 11:30 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good morning,

The basic tune up is replacing the plugs, replacing the air filter and the fuel filter.

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

https://www.2carpros.com/articles/how-to-change-a-fuel-filter

https://www.2carpros.com/articles/how-to-change-spark-plugs

https://www.2carpros.com/articles/how-to-replace-a-car-air-filter

Roy

NOTE: The Fuel Filter for this vehicle is a 'Maintenance-Free item', and does not require routine service.

ON-VEHICLE REPAIR

FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY

Exploded View FL-7
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Exploded View

Removal and Installation

REMOVAL

WARNING: Read "General Precautions" before working on the fuel system.
Refer to "General Precautions".

1. Unscrew the fuel filler cap to release the pressure inside the fuel tank.
2. Release the fuel pressure from the fuel lines.
3. Disconnect the battery negative terminal.
4. Remove the rear seat bottom.

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5. Turn the four retainers 90 in a clockwise direction and remove the fuel pump inspection hole cover.

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6. Disconnect the fuel level sensor, fuel filter, and fuel pump assembly electrical connector, EVAP hose quick connector, and the fuel feed hose quick connector from the fuel level sensor unit, fuel filter, and fuel pump assembly.

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Remove the quick connector as follows:
- Hold the sides of the connector, push in tabs and pull out the tube.
- If the connector and the tube are stuck together, push and pull several times until they start to move. Then disconnect them by pulling.

CAUTION:
- The tube can be removed when the tabs are completely depressed. Do not twist it more than necessary.
- Do not use any tools to remove the quick connector.
- Keep the resin tube away from heat. Be especially careful when welding near the tube.
- Prevent acid liquid such as battery electrolyte, etc. from getting on the resin tube.
- Do not bend or twist the tube during installation and removal.
- Only when the tube is replaced, remove the remaining retainer on the tube or fuel level sensor, fuel filter, and fuel pump assembly.
- When the tube or fuel level sensor, fuel filter, and fuel pump assembly is replaced, also replace the retainer with a new one (green colored retainer).

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- To keep the connecting portion clean and to avoid damage and foreign materials, cover them completely with plastic bags or something similar.

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7. Remove the lock ring using a socket drive handle and Tool as shown.

Tool number : KV991J0090 (J-46214)

CAUTION:
- Discard the lock ring, do not reuse the lock ring.
- Discard the ring seal, do not reuse the ring seal.

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8. Remove the fuel level sensor, fuel filter, and fuel pump assembly.

CAUTION:
- Do not bend the float arm during removal.
- Discard the ring seal, do not reuse the ring seal.

INSPECTION AFTER REMOVAL
Inspect the fuel level sensor, fuel filter, and fuel pump for any defects and foreign materials. Replace as necessary.
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Friday, February 5th, 2021 AT 2:23 AM

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