Withdrawal
1. For vehicles equipped with a DOHC engine, remove the clip from the vacuum hose connection on the intake manifold.
2. Disconnect the hose from the union. If the hose does not pull out or is worn out, tuck it in and replace it.
3. For vehicles equipped with a SOHC engine, remove the clamp from the vacuum hose connection to the intake manifold in the same way.
4. Pull the hose out of the union. If the hose does not pull out or is worn out, tuck it in and replace it.
5. Remove a clip of connection of a vacuum hose to the amplifier of brakes.
6. Remove the vacuum hose.
Installation
1. Install the vacuum hose (the figure shows the connection for a DOHC engine) and make sure the hose at each end is tight.
2. Install the vacuum hose clamps.
3. Check the operation of the amplifier.