Engine: B5244: - Coolant loss - Volvo Owners Club Forum

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Engine: B5244: Coolant loss

S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models

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Jun 22nd, 2018, 12:08	#1
2.4TSE Master Member Last Online: Mar 29th, 2024 18:03 Join Date: Dec 2004 Location: Stratford-upon-Avon	Coolant loss 2003 V70 with B5244T3 (2.4T) at 165,000 miles. About 100ml of coolant is being lost per 400 miles but there are no visible signs of water loss. All pipes and unions externally dry Heater matrix and unions externally dry Engine block core plugs are dry and solid All five cylinders have the same compression pressure (13 bar) give or take a miniscule amount, and no combustion products are sniffed in the expansion tank (so no head gasket failure) Expansion tank cap screwed down as tight as it will go and with no crystalline deposits on it or the tank neck and surround Unscrewing the expansion tank cap several hours after shut down still releases pressure - suggesting that the system is sound Ideas as to the most likely cause with this engine and installation, please? The coolant loss is tiny but until a few weeks ago there had never been any. Cheers, 2.4TSE __________________ 2003 V70 2.4T SE \| Owned from new \| M56 \| Bilstein B4 \| Nivomats \| BSR PPC \| Ferrita Exhaust \| Poly small bush in lower torque mount 2008 C30 T5 SE Sport R-Design \| Dynaudio \| BLIS \| Winter Pack \| Towbar \| Parking Control \| Keyless \| 18" Atreus

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