Here's how to figure that out:
* Look up the engine code: The engine code for the 1990 Corolla will tell you the engine type. You can find this on the engine block itself, in the owner's manual, or online resources like the Toyota website or forums.
* Identify common 1990 Corolla engines: The 1990 Corolla typically had either a 1.3L 4A-FE or a 1.6L 4A-GE engine. These are both interference engines.
What does "interference" mean?
* Interference engines have valve timing where the valves and pistons can collide if the timing belt breaks. This causes severe damage to the engine.
* Non-interference engines have valve timing where the valves and pistons cannot collide, even if the timing belt breaks. This usually results in less severe damage.
Therefore, it's highly likely that the 1990 Toyota Corolla you're asking about has an interference engine.
It's crucial to:
* Maintain the timing belt: Replace it according to the manufacturer's recommendations to prevent catastrophic engine damage.
* Be aware of the risks: Understand that a broken timing belt in an interference engine will likely require a major engine repair.
