Toyota MR2 Spyder MR S roadster owners manual page 116

text version of content this owner's manual page from owners manual to the vehicle Toyota MR2 Spyder, year of production 1999 - 2007:

MR2 U Facts about engine oil Engine exhaust cautions consumption CAUTION To allow proper operation of yourFUNCTIONS OF ENGINE OIL vehicle’s ventilation system, keep Engine oil has the primary functions of Avoid inhaling the engine exhaust. lubricating and cooling the inside of the the inlet grilles in front of the wind- It contains carbon monoxide, whichshield clear of snow, leaves, or oth-engine, and plays a major role in main- is a colorless and odorless gas. Iter obstructions. taining the engine in proper working order. can cause unconsciousness or even ENGINE OIL CONSUMPTION death. If you smell exhaust fumes in the vehicle, drive with the windows It is normal that an engine should con- Make sure the exhaust system has open. Have the cause immediatelysume some engine oil during normal no holes or loose connections. Thelocated and corrected. engine operation. The causes of oil system should be checked from consumption in a normal engine are as time to time. If you hit something, follows. or notice a change in the sound of Oil is used to lubricate pistons, piston the exhaust, have the system rings and cylinders. A thin film of oil checked immediately. is left on the cylinder wall when a pis- Do not run the engine in a garage ton moves downwards in the cylinder. or enclosed area except for the High negative pressure generated when time needed to drive the vehicle in the vehicle is decelerating sucks some or out. The exhaust gases cannot of this oil into the combustion chamber. escape, making this a particularly This oil as well as some part of the oil dangerous situation. film left on the cylinder wall is burned by the high temperature combustion Do not remain for a long time in a gases during the combustion process. parked vehicle with the engine run- Oil is also used to lubricate the stems ning. If it is unavoidable, however, of the intake valves. Some of this oil do so only in an unconfined area is sucked into the combustion chamber and adjust the heating or cooling together with the intake air and is system to force outside air into the burned along with the fuel. High tem- vehicle. perature exhaust gases also burn the oil used to lubricate the exhaust valve stems. 112 2000 MR2 (OM17475U)

owners manual Toyota MR2 Spyder

owners manual Toyota MR2 Spyder - year of production: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 - Toyota MR2 Spyder MR S roadster owners manual EN