XJ XJ8 / XJR ( X308 ) 1997 - 2003

Low coolant light after flush/water pump install

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Old Apr 10, 2014 | 06:03 PM
  #1  
mcm97's Avatar
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From: Sherman Oaks, CA
Default Low coolant light after flush/water pump install

Gents
I got my car back Tuesday from getting the new water pump installed along with upper/lower rad hoses and heater hose. Its driven great so far but this morning as I pulled into the garage at work the low coolant light lit up my dash for about 20-30 seconds and then went out. Nothing appeared to be leaking so could this be a bubble just making its way through the system? Anything to worry about or check later tonight?
 
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Old Apr 10, 2014 | 07:03 PM
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I have found it necessary to top off the tank a time or two after refilling the system.
 
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Old Apr 10, 2014 | 07:07 PM
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Ditto RJ237. Just add a bit of distilled water to bring it up. No worries.
 
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Old Apr 10, 2014 | 08:22 PM
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Yes I had the same issue after a coolant flush as well I just hit it with 50/50.
 
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Old Apr 10, 2014 | 10:49 PM
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You need to fill the coolant expansion tank all the way up to the very top - sensor float inside the tank is very picky - also float sensor get stuck sometimes and needs to have the coolant stirred to free so it floats properly.

Jim Lombardi
 
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