Check: Air supply circuit
RELAY II · Repair procedures · DW12UTED TURBO DIESEL SINCE DATE 17000001 · Checks · Reference B1HD1NP0
1. Recommended tools Figure : e5-p09ec [1] vacuum-pressure manual pump FACOM DA 16. 2. Check Figure : b1bp2qkc Uncouple the tube at "a" Connect the tool [1] at "a" Start the engine. The vacuum value should be 0,8 bar at idle speed.