Want this question answered?
When you have the heater on, does it just blow any air at all? or no air?
Pull the engine.
take your vehicle to a licensed mechanic
1990 was the first year of the Geo Tracker. 1999 was the first year of the Chevrolet Tracker. So the answer to your question is 1999.
buy a Chilton manual and it will tell you most of what you need to know.
195/75/R15
How do I replace the heater core in a 1999 Ford e150 conversion van
how much would it cost to replace the heater coil on a 1999 buick leSabre
How do you replace a starter in a 1999 suburban
How much will it cost me to replace the heater core in my 1999 Mercury
Depends where you live but I would guesstimate between $400 and $800.
1999 2.4