nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Vacuum Amplifier, EGR > < Vacuum Control Modulator|Page 2889
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Thermal Vacuum Valve (TVV): Testing and Inspection

Fig. 21 Thermal vacuum valve operating specifications

Fig. 62 Thermal vacuum valve operating specifications.

1.

Drain coolant from engine, then remove valve.

2.

Apply vacuum to valve and make sure valve opens or closes in response to engine coolant temperature as specified, Fig. 21 & 62. Do not allow
water to get inside thermal vacuum valve.

Vacuum Amplifier, EGR > < Vacuum Control Modulator|Page 2889