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CCEGR Valve

  1. Remove CCEGR valve from vehicle. Place it in an ice bath to bring temperature of coolant sensing portion to below 40°F (4°C).
  2. Attach a hand vacuum pump with gauge to the CCEGR nipple corresponding to the Blue stripe hose on 6-cylinder and V8 engines.
  3. Apply vacuum of 10 in Hg. Observe gauge for 1 minute. There should be no more than 1 in. Hg drop in vacuum within this time. If so, replace CCEGR valve.
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