CCEGR Valve (All Models)
- Remove CCEGR valve from vehicle and place it in an ice bath to bring temperature of coolant sensing portion to below 40°F.
- Attach a hand vacuum pump with gauge to the CCEGR nipple corresponding to the blue stripe hose on 6-cylinder and V8 models or to the yellow stripe hose on 1.7L (105") and 2.2L (135") 4-cylinder models.
- Apply vacuum of 10 in. Hg. Note gauge for one minute. There should be NO MORE THAN a one inch drop in vacuum reading within this time. If so, replace valve.