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Bleeding the engine after coolant change

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Author Post
cncgriff   
Wed Nov 23 2011, 07:41am
Hi all,
About to change the thermostat and housing on the c4 coupe 2.0ltr hdi,
Can any one shed some tips on this and for bleeding air out of the coolant system
Many thanks in advance
Griff
Dave_Retired.   
Wed Nov 23 2011, 08:38am

Member No: #1
Joined: Aug 07 2006
Location: Northumberland
Technical docs are here: - Click Here - but there is possibly a thread on it somewhere...............
1 User said Thank You to Dave_Retired. for this Post :
  (23 Nov 2011 : 13:36)
gmerry   
Wed Nov 23 2011, 08:42am
Member No: #11625
Joined: Nov 30 2009
Location: aberdeen
Griff, I've only changed coolant on a 1.6HDi.

I had moderate sucess by unplugging the two micro hoses that go back to the reservoir, filling reservoir to the top, bleeding at the heater bleed screw, letting air and fluid come out of the tow open micro hose ends with the engine running. One micro hose comes from the thermostat block, the other from the top of the radiator (on a 1.6HDi at least)

I made up some rubber plugs to block the fittings on the reservor.

Regards
G
1 User said Thank You to gmerry for this Post :
  (23 Nov 2011 : 13:36)
 

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