Question about 1993 Cadillac Eldorado
I have already flushed the coolant system
Posted by Anonymous on
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Posted on Jan 02, 2017
I assume you are talking about a Northstar. Could be a lot of things. Start with the coolant level. Another easy step is to check the coolant pump belt. It is located at the top of the motor (driver's side front). It is under a belt guard next to the valve cover. You can see and feel the belt under the cover without removing anything. The belt is only about 1/4" wide and is driven by a pulley off the overhead cam. You can see the tension pulley as well. My problem was a broken belt and an easy fix.
Posted on Nov 08, 2008
Many items need assessment. First what is THE COOLANT LEVEL enine running from cold start. IF LOW . Is there a coolant leak and where ? Lets say all of the previous check OK. ARE THE COOLING FANS OPERATING ? . They are , GREAT. Is it possible the cooling system ( i.e. radiator ) is clogged internally, or blocked exterior cooling fins of the radiator restricting cooling air. Hope this helps.
Posted on Apr 16, 2009
I am assuming you have the Northstar engine.
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.
Are you running it without a thermostat? If so,then strangely enough,this will cause overheating as the Northstar cooling system is different to most conventional systems and therefore will not help you diagnose the problem.
Posted on Aug 22, 2009
Easiest way. Go to any auto store, Pep Boys etc, locate the book for the year of your car and write down the wire diagram.
Posted on Sep 10, 2009
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