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1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance

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  1. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance, 1985-1988 Volvo 740 Preparing Car For Work: step 1, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance, 1985-1988 Volvo 740 Preparing Car For Work: step 1, image 2 of 2

    • Firstly Disconnect battery

    • Always take the negative terminal off first.

    • '''General Tip After disconnecting the battery leave the car for about 10 mins , This lets any residual energy left in the electrical system to dissapate. It is good practise whatever the job

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  2. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance, 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 2, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance, 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 2, image 2 of 2

    • Unlatch the two clasps, as outlined in the image.

    • Loosen the screw on the metal band, using a flathead screwdriver.

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  3. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 3, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 3, image 2 of 2

    • Disconnect the electronic sensor from the MAF.

    • Press on the 2 latches, pulling the cable away from the sensor.

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  5. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 4, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 4, image 2 of 2

    • Disconnect the rubber hose from the MAF.

    • Remove the MAF from the air filter housing.

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  6. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 5, image 1 of 1

    • Steps 4-6 are for cleaning only.

    • Spray the MAF cleaner along the direction of travel, shown by the arrow on top of the sensor.

    • (Mass Air Flow sensor Cleaner)

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  7. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 6, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 6, image 2 of 2

    • Clean the electronic coupling with an electronics cleaner.

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  8. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 7, image 1 of 2 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 7, image 2 of 2

    • Inject conducting lubricant into the MAF sensor electronic coupling.

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  9. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 8, image 1 of 3 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 8, image 2 of 3 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 8, image 3 of 3

    • Reattach the MAF to the air filter housing and the intake hose.

    • Tighten the screw on the metal band.

    • Latch the clasps on either side of the MAF.

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  10. 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance: step 9, image 1 of 1

    • Reattach the electronic cable to the MAF.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

with 7 other contributors

Isaac Nitschke

Member since: 10/11/10

67 Reputation

5 Guides authored

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Team

Cal Poly, Team 3-28, Regan Fall 2010 Member of Cal Poly, Team 3-28, Regan Fall 2010

CPSU-REGAN-F10S3G28

4 Members

9 Guides authored

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