2001 - 2002 Acura MDX AWD. 1997 - 1999, 2001 - 2003 Acura CL FWD. 1999 - 2003 Acura TL FWD. Water Pump. Power Steering Pump. >> Coolant leak from water pump. If the car is running low on coolant due to a leak or a faultywater pump the engine temperature will rise and the warning light will turn on.