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heater control valve 700

posted by  Dave Stevens on  Wed Apr 28 19:20 CST 2004
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last visit: Sun Jan 1 02:36 CST 2012
[RELATED]

I'll second that comment about the hoses likely being stuck onto the heater core nipples. They're a bear to twist off in that tight space without risking damage to the soft copper heater core nipples. Do not grab the hose by clamping down hard with pliers, rather use only a moderate grip or try to pry them off. If they don't come off relatively easily then cut them off and slit the remainder. If you damage the nipples you will easily end up with a leak that shoots coolant through the firewall. You may then have to remove the heather core to re-form the nipples to a round shape. Removing 700 heater cores is one of the worst jobs on any Volvo. Been there, done that.
--
Dave -not to be confused with a real expert






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