Volvo DL 1981 Owner Manual

Cooling system The risk of overheating is greatest, especially in hot weather, when:, Page 81 of 127 pages for Volvo DL 1981 Owner Manual. The Owner Manual is applied into the following products: GL 1981, GT 1981

Owner Manual Page Carousel

Owner Manual PDF Viewer

1981 Volvo DL, GL and GLT Cooling system The risk of overheating is greatest, especially in hot weather, when: - towing a trailer up steep inclines for prolonged periods at full throttle. - idling for prolonged periods while the air conditioning system is in operation. - stopping the engine suddenly after high speed driving, so-called after-boiling. To avoid overheating, the following rules should be followed. Reduce speed and downshift when towing a trailer up long steep inclines. The risk of overheating can be reduced by switching off the air conditioning system for a short while. Do not let the engine idle unnecessarily. Do not stop the engine immediately after high-speed driving, but allow the engine to idle for 1/2 - 1 minute before switching off. When the risk of overheating is imminent, or in the event of overheating, (the temperature gauge goes repeatedly into, or stays continually in, the red section) the following precautions should be taken: Switch off the air conditioning system. Stop the car and put the gear lever into neutral position-position N. Do not stop the engine! Increase the engine speed to approx. 2000 r/min (twice idling speed). Check the level of coolant in the expansion tank. Top-up, if necessary. Check coolant level The cooling system must be filled with coolant and not leak to operate at maximum efficiency. Check the coolant level when filling fuel. The level should be between the "MAX" and "MIN" marks on the expansion tank. The check should be made with particular thoroughness when the engine is new or the cooling system has been drained. Do not remove the filler cap other than for topping-up with coolant. Frequent removal may prevent coolant circulation between the engine and the expansion tank during engine warming up and cooling. Top up with coolant Top up with coolant by filling the expansion tank when level is at the "MIN" mark. Use a mixture of 50 file:///K|/ownersdocs/1981/81_dl_gl_glt/81DLGLGLT_03b.htm (6 of 23)12/22/2006 10:28:41 PM

Owner Manual Pagination