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Replacement of Heater Core Hoses 900

posted by  spook on  Thu Jan 21 01:35 CST 2010
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last visit: Fri Oct 24 08:06 CST 2014
[RELATED]

Dear 960 Brickster,

May this find you well. DO NOT EVEN START THE ENGINE, UNTIL YOU HAVE REPLACED THE HEATER CORE HOSES.

If a heater hose rupture, the immediate loss of coolant will ruin the head and possibly the entire engine.

I doubt that heater hose replacement on a 960 is very much harder than on a 940. The hoses are at the back of the engine, where there's little room.

While on 940s, the heater control valve is in the engine bay, on the inlet hose to the heater core, the the parts diagram for a '95 960 in Volvo VADIS (the now-superseded dealer parts/repair database), does not show a heater control valve in the engine bay. The heater control valve may be located just inside the cabin (under the dashboard). Be sure to replace the heater control valve. If the heater control valve fails, immediate coolant loss occurs.

The clamps (Part #943472) are screw-operated. They have a 7mm hex fitting, which has a slot cut into it, so a flat-blade screwdriver can also be used.

Hope this helps.

Yours faithfully,

Spook






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