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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
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First, disconnect the battery.
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Note: Always take the negative terminal off first, then the positive terminal.
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General Tip: After disconnecting the battery, let the car sit for about 10 minutes. This will allow any residual energy left in the system to settle and it is good practice for any job you are completing.
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Locate the throttle body on the right side of the engine. This will be between the intake tube and the intake manifold.
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Within the throttle body, locate the throttle linkage cable assembly.
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Twist the throttle linkage cable assembly clockwise (to the right).
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Find the slackened cables and slide both off of the assembly's guide.
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Locate the two hoses on the top of the throttle body. Once located, gently lift them off.
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Using a flathead screwdriver, loosen the hose clamp attaching the intake tube to the throttle body.
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Remove the intake tube from the throttle body.
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Locate the wiring clip on the underside of the throttle body.
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Before gently removing the wiring clip, press down on the locking mechanism.
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Locate the throttle linkage arm. With a flat head screwdriver, open the locking clip and pry off the linkage arm.
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Locate the three (3) 13mm nuts attaching the throttle body to the intake manifold. Remove those with a 13mm crescent wrench.
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Lift the throttle body off of the intake manifold.
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The manifold is now out of the engine bay and ready for cleaning or adjustment.
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Cover the electrical contacts with a shop towel to prevent throttle body cleaner from inadvertently spilling over.
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Liberally apply throttle body cleaner to the inside of throttle body and butterfly valve.
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Use a shop towel sprayed with cleaner to wipe off thick grime if severely dirtied.
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Spray electrical cleaner on the metal contacts to blast away particles in the bracket.
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Spray off the wiring clip that attaches to the throttle body inside the engine bay.
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Apply a small amount of dielectric grease to the metal contacts to prevent corrosion.
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To reinstall the throttle body after cleaning follow reverse directions for prerequisite guide #2
To reinstall the throttle body after cleaning follow reverse directions for prerequisite guide #2
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Cal Poly, Team 3-28, Regan Fall 2010 crwdns2935289:0Cal Poly, Team 3-28, Regan Fall 2010crwdne2935289:0
CPSU-REGAN-F10S3G28
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