This Haynes 42012 repair manual covers 1990-1993 Honda Accord, all models.
Book Excerpt: 1990-1993 Honda Accord Repair Manual
BALANCE SHAFTS BELT/SPROCKETS | REMOVAL, INSPECTION AND INSTALLATION
CLUTCH AND DRIVEAXLES
NOTE: When a loose balance shaft drivebelt is suspected as the cause of excessive noise, the tension must be adjusted. It is possible to do this procedure without removing the timing belt cover (see Step 9). The tensioner simultaneously exerts tension upon the balance shafts belt as well as the timing belt.
REMOVAL (Refer to illustrations 9.6, 9.8, 9.9, 9.11a, 9.11b and 9.12)
- Position the number one cylinder at top dead center TDC (see Section 3). Disconnect the cable from the negative terminal of the battery.
CAUTION: If the radio in your vehicle is equipped with an anti-theft system, make sure you have the correct activation code before disconnecting the battery.
- Remove the bolts that retain the cruise control unit to the chassis and position the unit to one side. Note: It isn't necessary to disconnect the cruise control cable for this procedure, but be careful not to kink it.
- Remove the power steering belt and disconnect the power steering pump from the mounting bracket (see Chapter 10). Position the power steering pump off to one side.
- Remove the alternator and brackets from the timing belt cover (see Chapter 5).
- Raise the vehicle and place it on jackstands. Working under the vehicle, remove the splash pan (see Chapter 11) and the left side wheel well cover.
- Remove the large bolt at the front of the crankshaft and slide the pulley off.
NOTE: To keep the crankshaft from turning while you're removing this bolt, wedge a large screwdriver into the flywheel/driveplate ring gear (see illustration).
If the pulley won't slide off, pullers are available at auto parts stores that will make removal easy.
- Support the engine with a floor jack and a block of wood. Remove the left side engine mount and bracket (see Section 18).
- Remove the bolts attaching the timing belt covers (upper and lower) to the engine block (see illustration). Draw a simple diagram showing the location and length of each of the bolts so they can be returned to the same holes from which they were removed.
- Remove the splash shields from under the vehicle. Note: Remove the two bolts from the left side engine beam and lower the engine approximately three or four inches with a floor jack in order to provide enough clearance to pull the lower timing belt cover from the engine compartment (see illustration).
CAUTION: Prying between the cover and the engine block can damage the gasket sealing surfaces.
- Remove the oil dipstick and the tube from the engine block.
- Lock the rear balance shaft into place by installing one bolt (6 x 100 mm) into the block into the designated access hole for the balance shaft (see illustrations). This will not allow the balance shaft to rotate while the adjustments are being made.
NOTE: For additional information on balance shaft removal refer to Chapter 2B.
STARTER/CLUTCH INTERLOCK SWITCH | CHECK, REPLACEMENT AND ADJUSTMENT
- The starter/clutch interlock switch is located near the upper end of the clutch pedal (pedal switch B in illustration 6.1). It has two wires - one coming from the starter relay and one going to ground.
When the ignition switch key is turned to the Start position and the clutch pedal is depressed, the starter relay's path to ground is closed by the starter/clutch interlock switch and the starter motor is activated.
- If the engine won't start when the clutch pedal is depressed, adjust the switch (see Step 6) and try again. If it still won't start, check the switch (see Step 3) and, if necessary, replace it (see Step 5).
If the engine starts when the clutch pedal isn't depressed, adjust the switch and try again.
- If the engine won't start when the clutch pedal is depressed, either there's no voltage from the starter relay to the switch, or there's no continuity between the two terminals on the switch.
- Check the voltage to the switch with a voltmeter or test light. When you turn the ignition key to the Start position and depress the clutch pedal, there should be voltage in the wire form the starter relay.
If there isn't, look for an open or short circuit condition somewhere between the starter relay and the switch. If there is voltage in this wire, check the other sides of the switch, the switch should be operating correctly.
Try adjusting it (see Step 6). If voltage isn't present on both sides, the switch is bad.
Subject: 1990, 1991, 1992, 1993 Honda Accord service, maintenance, repair. ISBN-10: 1563920670 | ISBN-13: 9781563920677 | Haynes 42012