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C5 citeron estate pressure in cooling system

Tiny
ALFIE1STEPHEN
  • MEMBER
  • 2002 CITROEN C5
  • 126,000 MILES
Loosing 500ml every 250 miles pressure build up not over heating new radiator' themastat'including allpipes (retun to coolent tank?
Sunday, November 13th, 2011 AT 2:00 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
We don't have any info for this car but have it pressure checked to see if the head gasket or intake gasket is leaking. Especially with the coolanloss you have.
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Sunday, November 13th, 2011 AT 2:54 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Pressure and expansion of coolant is normal the coolant goes into reserve tank and returns to system when cooling off when engine is off. Bad radiator cap can prevent this return. Did you get new cap?
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Sunday, November 13th, 2011 AT 3:07 PM
Tiny
ALFIE1STEPHEN
  • MEMBER
  • 2 POSTS
Have new pressure cap on return tank
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Sunday, November 13th, 2011 AT 3:44 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
If vehicle does not have radiator cap then it is not a return/overflow tank but an integral expansion tank. Coolant loss is either external leak somewhere or internal and escaping thru exhaust.
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Sunday, November 13th, 2011 AT 5:01 PM

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