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1. 1990 Acura Integra Interior
2. 1996 Acura Integra Service Manual
3. 1990 Acura Integra For Sale

This Haynes service, repair and maintenance manual, covers 1986-1989 Acura Integra and 1986-1990 Acura Legend automobiles. Book Excerpt: 1986-1990 Acura Integra, Legend Repair Manual FUEL AND EXHAUST SYSTEMS THROTTLE BODY COMPONENT CHECK, REMOVAL AND INSTALLATION CHECK (Refer to illustration 11.1). On top of the throttle body, locate the vacuum hose that goes to the canister.

Detach it from the throttle body and attach a vacuum gauge in its place (see illustration). Start the engine and warm it to its normal operating temperature (wait until the cooling fan comes on twice).

1990 Acura Integra Interior

1996 Acura Integra Service Manual

Verify the gauge indicates no vacuum. Open the throttle slightly from idle and verify that the gauge indicates vacuum. If the gauge indicates no vacuum, check the port to make sure it is not clogged. Clean it with carburetor cleaner if necessary. Stop the engine and verify the throttle cable and valve operate smoothly without binding or sticking. If the throttle cable or valve binds or sticks, check for a build-up of sludge on the cable or throttle shaft. If a build-up of sludge is evident, try removing it with carburetor cleaner or a similar solvent.

If cleaning fails to remedy the problem, replace the throttle body. REMOVAL AND INSTALLATION. Detach the cable from the negative battery terminal. Remove the air duct that connects the air cleaner assembly to the throttle body. Label the throttle angle sensor connector and disconnect it from the throttle body unit. Also label and detach all vacuum hoses from the throttle body.

1990 Acura Integra For Sale

Detach the accelerator cable (see Section 8) and, if equipped, the transaxle throttle valve cable (see Chapter 7B). Detach the coolant hoses from the throttle body. Remove the four mounting nuts and detach the throttle body and gasket. Installation is the reverse of removal. Be sure to adjust the accelerator cable (see Section 8) and, if equipped, the throttle valve cable (see Chapter 7B). BRAKES POWER BRAKE BOOSTER CHECK, REMOVAL AND INSTALLATION OPERATING CHECK. Depress the brake pedal several times with the engine off and make sure there is no change in the pedal reserve distance.

Depress the pedal and start the engine. If the pedal goes down slightly, operation is normal. AIR TIGHTNESS CHECK. Start the engine and turn it off after one or two minutes. Depress the brake pedal several times slowly.

If the pedal goes down farther the first time but gradually rises after the second or third depression, the booster is airtight. Depress the brake pedal while the engine is running, and then stop the engine with the pedal depressed. If there is no change in the pedal reserve travel after holding the pedal for 30 seconds, the booster is airtight. REMOVAL. Power brake booster units should not be disassembled. They require special tools not normally found in most automotive repair stations or shops. They are fairly complex and because of their critical relationship to brake performance it is best to replace a defective booster unit with a new or rebuilt one.

To remove the booster, first remove the brake master cylinder as described in Section 9. Subject: 1986, 1987, 1988, 1989 Acura Integra, 1986, 1987, 1988, 1989, 1990 Legend service, maintenance, repair. ISBN-10: ISBN-13: 767 Haynes 12020.