steve454 Posted March 5, 2018 Share Posted March 5, 2018 18 minutes ago, Rehab1 said: You want perfectly clean surfaces so the thermo paste optimally transfers heat. Doh! That might be the reason I had to replace more than one ignition module on my old truck! I probably didn't clean it properly before putting the new paste. I didn't use a solvent IFRC, think I just wiped it off with a rag, Link to comment Share on other sites More sharing options...
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