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Old 02-05-2015, 12:25 PM
745 TurboGreasel 745 TurboGreasel is offline
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Join Date: Sep 2012
Location: Freedom CA
Vehicle: 85 745, 84Suburban 96Ram
Posts: 509
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With an emission machine or chemical test strip, you can check for exhaust gas in the coolant
Remove the heater valve and make sure it opens fully.
Are you sure all the coolant lines follow original routing?
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