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Einleitung

This manual provides instructions on how to clean the tube and butterfly valve of the throttle body as well as clean and protect the electrical contacts

  1. Cleaning 1985-1988 Volvo 740 Throttle Body, 1985-1988 Volvo 740 Preparing Car For Work: Schritt 1, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body, 1985-1988 Volvo 740 Preparing Car For Work: Schritt 1, Bild 2 von 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

  2. Cleaning 1985-1988 Volvo 740 Throttle Body, Removing Throttle Body: Schritt 2, Bild 1 von 1
    • Locate throttle body on right side of engine, it is between the intake tube and intake manifold.

  3. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 3, Bild 1 von 1
    • Locate throttle linkage cable assembly.

  4. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 4, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 4, Bild 2 von 2
    • Twist the assembly clockwise.

  5. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 5, Bild 1 von 1
    • Slide both slackened cables off assembly’s guides.

  6. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 6, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 6, Bild 2 von 2
    • Locate the two hoses on the top of the throttle body.

    • Gently lift the hoses off.

  7. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 7, Bild 1 von 1
    • Use a flat head screwdriver to loosen the hose clamp attaching the intake tube to the throttle body.

  8. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 8, Bild 1 von 1
    • Remove the intake tube from the throttle body.

  9. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 9, Bild 1 von 1
    • Locate wiring clip on the underside of the throttle body.

  10. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 10, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 10, Bild 2 von 2
    • Press down on the locking mechanism before gently removing the wiring clip.

  11. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 11, Bild 1 von 3 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 11, Bild 2 von 3 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 11, Bild 3 von 3
    • Locate throttle linkage arm.

    • Open the locking clip with a flat head screwdriver.

    • Pry off the linkage arm with a flat head screwdriver.

  12. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 12, Bild 1 von 3 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 12, Bild 2 von 3 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 12, Bild 3 von 3
    • Locate the three 13mm nuts attaching the throttle body to the intake manifold.

    • Remove nuts with a 13mm crescent wrench.

  13. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 13, Bild 1 von 1
    • Lift the throttle body off of the intake manifold.

    • The manifold is now out of the engine bay and ready for cleaning or adjustment.

  14. Cleaning 1985-1988 Volvo 740 Throttle Body, Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 14, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body, Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 14, Bild 2 von 2
    • Cover the electrical contacts with a shop towel to prevent throttle body cleaner from inadvertently spilling over.

  15. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 15, Bild 1 von 1
    • Liberally apply throttle body cleaner to the inside of throttle body and butterfly valve.

    • Use a shop towel sprayed with cleaner to wipe off thick grime if severely dirtied.

  16. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 16, Bild 1 von 2 Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 16, Bild 2 von 2
    • Spray electrical cleaner on the metal contacts to blast away particles in the bracket.

    • Spray off the wiring clip that attaches to the throttle body inside the engine bay.

  17. Cleaning 1985-1988 Volvo 740 Throttle Body: Schritt 17, Bild 1 von 1
    • Apply a small amount of dielectric grease to the metal contacts to prevent corrosion.

Abschluss

To reinstall the throttle body after cleaning follow reverse directions for prerequisite guide #2

Ein:e weitere:r Nutzer:in hat diese Anleitung absolviert.

Raymond

Mitglied seit: 11.10.2010

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Cal Poly, Team 3-28, Regan Fall 2010 Mitglied von Cal Poly, Team 3-28, Regan Fall 2010

CPSU-REGAN-F10S3G28

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