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Stutaeng's 1999 Silverado
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<blockquote data-quote="stutaeng" data-source="post: 29811" data-attributes="member: 6175"><p>Oh, I forgot to update on the minivan...</p><p></p><p>I ordered and installed a Dorman upgraded metal housing thermostat (with a lower 185F vs factory 203F thermostat,) also the Dorman metal upgraded crossover thingy part, and a new radiator cap. The crossover pipe is kinda of PIA because you have to remove tbe engine mount.</p><p></p><p>I also lowered the temperature cut-in on the electric fans on the ECU tune via HP Tuners. 230F for the high fan speed is just too damn hot, but that's what the factory uses! Lowered to 219F.</p><p></p><p></p><p> It's been hotter than hell here the whole week and I drove the minivan to work and in my horrendous evening traffic congested commute, the coolant temperature went from 219F to 210F at stand still, lower driving. I'll drive it a bit more to make sure things are good before handing it back to my wife, but she already "borrowed it" to a doctor's appointment yesterday...</p><p></p><p>Long story short: it was a stuck thermostat!</p><p>[ATTACH=full]6385[/ATTACH][ATTACH=full]6387[/ATTACH][ATTACH=full]6388[/ATTACH][ATTACH=full]6389[/ATTACH]</p></blockquote><p></p>
[QUOTE="stutaeng, post: 29811, member: 6175"] Oh, I forgot to update on the minivan... I ordered and installed a Dorman upgraded metal housing thermostat (with a lower 185F vs factory 203F thermostat,) also the Dorman metal upgraded crossover thingy part, and a new radiator cap. The crossover pipe is kinda of PIA because you have to remove tbe engine mount. I also lowered the temperature cut-in on the electric fans on the ECU tune via HP Tuners. 230F for the high fan speed is just too damn hot, but that's what the factory uses! Lowered to 219F. It's been hotter than hell here the whole week and I drove the minivan to work and in my horrendous evening traffic congested commute, the coolant temperature went from 219F to 210F at stand still, lower driving. I'll drive it a bit more to make sure things are good before handing it back to my wife, but she already "borrowed it" to a doctor's appointment yesterday... Long story short: it was a stuck thermostat! [ATTACH type="full" alt="1000008365.jpg"]6385[/ATTACH][ATTACH type="full" alt="1000008373.jpg"]6387[/ATTACH][ATTACH type="full" alt="1000008369.jpg"]6388[/ATTACH][ATTACH type="full" alt="1000008434.jpg"]6389[/ATTACH] [/QUOTE]
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