mechmanmikey
New member
howdy all,new to the site,recently aquired a 1987 cherokee,4.0L manual trans.Drove it for about a week and it developed a leaky water pump.installed a new pump and refilled the coolant system with the vacuum system,but it still acts as though it has an air bubble.the temperature will go up to approx 230 and then drop down to 200.Been told that there is a plug that needs to be removed,unable to locate,did remove temperature sending unit tha did not change anything nor did i witness any air bubbles,please help,hate to have to shoot it!
