why does my 1998 cadillac overheat

2 ANSWERS

1. pabitraghadai
   

   hi there,
   
   Check the radiator, hoses, and water pump for leaks. If you don't see any coolant loss, the problem is most likely a faulty thermostat.
   
   Hope this helped and best wishes

   Report (0) (0)  |   12 years, 8 month(s) ago  

2. Guest4813
   

   Check for coolant flow at the Purge line,this is a common problem on the Northstar.
   There is a small diameter hose coming from near the top of the coolant tank,this is the purge line.
   With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.

   Report (0) (0)  |   12 years, 8 month(s) ago