crank seal
The most common leaks are cracked vapor hoses and a loose gas cap.
The most common power steering pump leaks are at the line connections or behind the pulley at the shaft. The line leaks can possibly be repaired, but the shaft seal leak could be better to change the pump.
most likely a 2.9l or a 3.0l Depends on your model
With the application called doorbell is the most common way.
There are several types. Go to the parts store and most will show you how to change them
The most common problems reported with a 1991 Geo Tracker include issues with rust, particularly in the body and frame, due to its age and exposure to the elements. Additionally, many owners experience problems with the electrical system, such as faulty wiring or failing alternators. The suspension components, including shocks and bushings, may also wear out over time, leading to a rough ride. Lastly, engine performance issues, such as leaks and overheating, are not uncommon as the vehicle ages.
a worn seal or damaged gasket
the evaporator inside the heater box behind the dash most common
The most common problem, when a 1990 Geo tracker floods out with gas, is a bad fuel injector. The injector might be leaking or injecting a steady stream of fuel
Evaporative emission leaks, EGR, misifireEvaporative emission leaks, EGR, misifire
The engine.
Johnson