crazyman03 Posted November 13, 2014 Share Posted November 13, 2014 Rather a simple and strait-forward question. I have a '01 Chevy S10 2.2l. For the most part, its stock but I've installed a cold air intake, 2.5" cat-back flowmaster and swapped out the clutch radiator fan with an electric fan. So lately, dear old mother nature decided to get bitterly cold; about 3degrees at the moment. Not a big deal except now the truck wont get warm - At all. Engine temp yesterday after letting it sit idle for 15 min didnt even flinch the needle and the heat blew cold. Not a big deal, I popped the hood and pulled the relay for the electric fan. it got slightly warmer, about 100-150 depending on if i was on the throttle or not. I cut out some cardboard and installed them in front of the radiator to the point that more than half of the radiator is covered. My simple question is this: Is it just the thermostat stuck open? The heat occasionally does come back for a bit and tease me with warmth but then quickly goes away. after driving for a few hours it will stay warmer longer. I realize its probably a no-brainier but funds are low for even a little 5$ thermostat and 3$ gasket. Mostly the problem is the 20$ proprietary coolant the truck wants, tough I'll probably get the universal stuff.... -Justin Link to comment Share on other sites More sharing options...
MilesFox Posted November 13, 2014 Share Posted November 13, 2014 I would first suspect a low coolant condition. Check the fluid in the radiator itself. I would not rule out a stuck or missing thermostat. Also, the factory fill dexcool can become problematic after 10 years as it starts to sludge and form silica gel in the cooling system. GM recommends a 60 mo or 150,000 mi service for the coolant using dexcool or equivalent. 2 Link to comment Share on other sites More sharing options...
crazyman03 Posted November 16, 2014 Author Share Posted November 16, 2014 well, i feel like an idiot... yea, low coolant. i was arrogant to think it was because i just did the radiator a couple months ago. and the levels were perfect after. anywho, thanks! -Justin Link to comment Share on other sites More sharing options...
MilesFox Posted November 17, 2014 Share Posted November 17, 2014 (edited) dat air pocket tho. Burp enough Subarus and you know better. Edited November 17, 2014 by MilesFox Link to comment Share on other sites More sharing options...
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