Check your coolant temperature switch first to make sure it is working. Thermostat should be behind the flywheel on the front of the block in the water pump. You have to remove the flywheel to get to it.
The Electronic Control Module (computer) on a 1989 Jeep Wrangler is house in a metal case on the firewall. It is on the passenger side of the engine compartment.
5 quarts
I know on my vortec engine the valve cover bolts are in the center of the cover and there is only 4, my racecar has vortec heads and my truck has standard stock heads with four bolts on thew corners
With enough time and money any engine would fit.
10w-30
Yes, but you will also need the wiring harness and ecm.
The engine holds six quarts.
The engine will physically fit, however the wiring and electronics will not hook up, they are quite different, as is the fuel system.
No.
How do you replace the clutch slave cylinder on a 1989 jeep wrangler
No. A Jeep Wrangler does not have an inertia switch.
No. A 2009 Wrangler and a 1989 Wrangler have a different bolt pattern.