Difficulty

Easy

Steps

9

Time Required

                          10 minutes

Sections

2

  • 1985-1988 Volvo 740 Preparing Car For Work
  • 1 step
  • 1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance
  • 8 steps

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What you need

Step 1

              1985-1988 Volvo 740 Preparing Car For Work
  • 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

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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Step 2

              1985-1988 Volvo 740 Mass Air Flow (MAF) Sensor Maintenance
  • Unlatch the two clasps, as outlined in the image.
  • Loosen the screw on the metal band, using a flathead screwdriver.

Unlatch the two clasps, as outlined in the image.

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

Step 3

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

Disconnect the electronic sensor from the MAF.

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

Step 4

  • Disconnect the rubber hose from the MAF.
  • Remove the MAF from the air filter housing.

Disconnect the rubber hose from the MAF.

Remove the MAF from the air filter housing.

Step 5

  • 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)

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)

Step 6

  • Clean the electronic coupling with an electronics cleaner.

Clean the electronic coupling with an electronics cleaner.

Step 7

  • Inject conducting lubricant into the MAF sensor electronic coupling.

Inject conducting lubricant into the MAF sensor electronic coupling.

Step 8

  • 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.

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.

Step 9

  • Reattach the electronic cable to the MAF.

Reattach the electronic cable to the MAF.

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

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                    Isaac Nitschke

Member since: 10/11/2010

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                       Cal Poly, Team 3-28, Regan Fall 2010                        

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



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