Hi, To find the water pump, trace the lower radiator hose from the radiator to the engine. The water pump will look like a lump attached to the side of the engine, the size of your fist. It may be easiest to get under the car. Be careful, it may be HOT and oily!! Hope that helps.
There is no egr valve on a 1990 Mazda MPV 6 cylinder
in the tank
in the gas tank ?
At the rear of the engine, directly in the center, just above the transmission. If you look to the right of your firewall, you can find it by tracing the left heater hose down to the back of the engine. This answer is applicable for 1990-2005 Mazda Miatas.
Underneath the car bolted to the bellhousing on the gearbox
The TNS relay on a 1990 Mazda Roadster is located on the drivers side of the car. It will be right beside the brake.
Follow the top radiator hose as it connects to the front of the engine. The thermostat is located in that housing.
The thermostat housing is located at the engine end of the lower radiator hose.
To add brake fluid in a 1990 Mazda Protege, you need to locate the brake fluid reservoir and check the levels. The reservoir is located on the master cylinder for the brakes.
There is no reservoir. All the transmission lube in stored inside the transmission.
behind the radiator,in the middle of the engine
The flasher on a 1990 Mazda MVP is located under the dash on the driver's side. It is just above and to the left of the brake pedal.