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2002 Altima 2.5, No Heat fix didn't work Forums > > 2002 Altima 2.5, No Heat fix didn't work 2002 Altima 2.5, No Heat fix didn't work
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  #1  
Old 12-26-2016, 06:39 PM
rab127 rab127 is offline
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2002 Almera
 
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Default 2002 Altima 2.5, No Heat fix didn't work

Hi

Wondering what to try next. Today I ran the engine at 3500 rpm, while front end raised for 35 minutes with rad cap off. Saw air bubbles from 10 to 20 minutes. Ran another 15 minutes. It was very hot in the cabin. Dropped rpm down to idle for 10 minutes then checked cabin temp. Heater was blowing completely cold. Only strange thing I saw was copper colored particles floating at top of coolant from time to time.

What is recommended to try next?
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  #2  
Old 12-26-2016, 07:00 PM
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NissanTech NissanTech is offline
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2004 Xterra
 
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Either you bleed the coolant system a few more times, same way you did, or you buy a tool to refill the coolant system. At our shop, we get many vehicles with the same problem and refilling the system with the tool we fix the problem.

Here an example of the tool:

MCR102A Matco Tools Vacuum Venturi Cooling System Refiller With Case | eBay
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  #3  
Old 12-27-2016, 09:17 AM
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smj999smj smj999smj is offline
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2003 Frontier King Cab
2003 Frontier KC SVE 4x4
 
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Nissan had a TSB regarding bleeding the coolant in these vehicles. They would take a horseshoe clip, like the ones they use to secure the parking brake lever to the aft rear brake shoe, and put it into the radiator cap so it wouldn't seal. They they'd take the reservoir and hang it up from the hood so it was higher than the engine. This would allow the air to work its way through and up to the reservoir. Of course, if the air bubbles never stop, that it could be that those bubbles are combustion gases being routed into the coolant system via a bad head gasket. Another reason for a system running cold air is an air mix mode door issue.
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Old 12-27-2016, 01:24 PM
Soapmyster Soapmyster is offline
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2005 Altima
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someone put barrs leak in the system.
That is the copper particles you see.
Does the bubbling ever stop? May have a head gasket breach
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