first remove the belt by inserting a 3/8" drive in the square hole on the tensiner, then remove the one bolt just below the tensioner and then remove the center bolt on the pully (allen wrench).
What about this tensioner? How do you remove it, or how do you releave the tension so you can replace the belt?
Loosen the tensioner pulley. Remove the power steering belt. Remove the power steering hose. Remove the power steering retaining bolts. The power steering pump will come off.
On Google images, search "diagram of pulley system for 1998 Isuzu trooper"
Remove Camshaft fro isuzu trooper 1996
Remove beltUnbolt tensioner and remove
remove intake manifold.
The Isuzu Trooper has a diagram for how to route the serpentine belt under the hood. The diagram is located on top of the fan shroud on the left side of the hood locking latch.
Isuzu Trooper was created in 1981.
with an axe
I think it is the same as my 98 and you put a wrench on the bolt at the center of the tensioner pulley and push away from the belt.
Standard rh threads
The timing belt on a 2000 Isuzu Trooper is replaced by removing the engine accessories, taking off the timing cover and loosening the tensioner. The belt can then be slipped off the sprockets and a new timing belt put in place.