Toyota Yaris: Vacuum Pump / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here

2. DISCONNECT UNION TO CONNECTOR TUBE HOSE

Click here

3. OPERATION CHECK

(a) Connect the hose of the vacuum gauge to the vacuum pump assembly.

*a Vacuum Gauge *b Plug

(b) Start the engine and warm it up for more than 2 minutes.

(c) With the engine idling, check the vacuum of the vacuum pump assembly.

Standard Pressure:

More than 86.7 kPa (650 mmHg, 25.6 in.Hg)

(d) Remove the vacuum gauge from the vacuum pump assembly.

4. CONNECT UNION TO CONNECTOR TUBE HOSE

Click here

5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here