You most first make sure engine is cool. Drain 1/3 of coolant. Remove old thermostat. Clean area with acetone or isopropyl alcohol. Apply some RV sealant and put in new thermostat. Replace amount of drain coolant to appropriate level.
Remove the water supply hose from your 1992 Chevy thermostat housing. Remove the thermostat housing retaining bolts. The thermostat can be lifted out. Reverse the process to install the new thermostat.
Yes.
Change your fuel fiter and air filter
That would be the 4L60E
18436572
That would be the 4L80E
What is the cost for 1992 thermostat
does a 1992 Chevy 2500 2wd differential have a vent tube
YES. Those 2 year body styles are the same.
Every time you change the coolant.
Usually in housing at engine end of upper radiator hose
195 degree thermostat.