Is it necessary to loosen the engine mounts when changing an oil pan gasket on a 1996 Nissan 200SX 1.6L engine?

It's highly recommended, though not strictly *necessary*, to loosen the engine mounts when changing the oil pan gasket on a 1996 Nissan 200SX 1.6L engine. While you *might* be able to wiggle the oil pan enough to get it out without doing so, loosening the mounts significantly increases the accessibility and ease of the job. The extra space provided reduces the risk of:

* Damaging the oil pan: Forced maneuvering can bend or crack the pan.

* Stripping bolts: A lack of space makes it easier to cross-thread or strip bolts.

* Damaging surrounding components: The engine might be in a position where you risk hitting or scratching other parts.

The small amount of extra time spent loosening the engine mounts is far outweighed by the reduced risk of damage and frustration. It's a much easier job with a bit more room to work.