Old school car overheat due to no thermostat???

**ben_david19** · September 23rd, 2010 11:26 AM

ganito kasi bro bakit gumagamit ng coolant.

water = higher cooling power pero lower boiling point
coolant = lower cooling power pero higher boiling point + anti-rust

just use 50-50 mix. nabibili ito sa mga gas stations. color green or orange madalas kulay nito.

since kapag on lang ang a/c nago-overheat, probably aux fan lang iyan hehe. kung umiikot naman, baka mahina nga lang ang ikot.

**CarPainter** · September 23rd, 2010 12:17 PM

Originally Posted by ben_david19

ganito kasi bro bakit gumagamit ng coolant.

water = higher cooling power pero lower boiling point
coolant = lower cooling power pero higher boiling point + anti-rust

just use 50-50 mix. nabibili ito sa mga gas stations. color green or orange madalas kulay nito.

since kapag on lang ang a/c nago-overheat, probably aux fan lang iyan hehe. kung umiikot naman, baka mahina nga lang ang ikot.

Sir, ang aux fan ba ay considered electrical / motor issue...sa auto-electrical shop ko po ba dapat ipacheck ang aux fan ko not in aircon shop?

Bale dapat kong ipacheck ay ang fuse, relay and fan motor itself...

TIA

**ben_david19** · September 23rd, 2010 04:49 PM

Originally Posted by CarPainter

Sir, ang aux fan ba ay considered electrical / motor issue...sa auto-electrical shop ko po ba dapat ipacheck ang aux fan ko not in aircon shop?

Bale dapat kong ipacheck ay ang fuse, relay and fan motor itself...

TIA

yup sa electrical shop, alam na nila yan. ako yan nalang talaga ang suspect ko.

**EVO-V** · September 27th, 2010 09:22 PM

Your car overheating with the A/C on does so likely when its idle in traffic. That can only mean that your radiator is not getting enough airflow. Check your auxiliary fan to ensure that its running the way it should when it should.

If you're driving and you're still overheating, then the problem in your cooling loop is on the liquid side of the equation. Your radiator is likely clogged and will need to be flushed.

**desert fox** · September 27th, 2010 10:42 PM

broTS, mahina na motor ng aux o cooling fan mo, wag mo na hintayin mag-stock up pa, papalitan mo na...kung kapos sa budget, parewind mo motor kung kaya pa...

**CarPainter** · October 18th, 2010 04:07 PM

Thanks sa mga replies and inputs mga gurus.

Still have another query po...sa ganitong scenario po ba na nag-ooverheat lang ang auto pag naka-on ang AC ay isang cause din kaya nito ang radiator cap?

Since I bought the car last 2006, hnde ko pa po napapalitan ang radiator cap at mejo may rust nung chineck ko.

Thanks lot

**niky** · October 19th, 2010 04:11 PM

Originally Posted by CarPainter

Thanks sa mga replies and inputs mga gurus.

Still have another query po...sa ganitong scenario po ba na nag-ooverheat lang ang auto pag naka-on ang AC ay isang cause din kaya nito ang radiator cap?

Since I bought the car last 2006, hnde ko pa po napapalitan ang radiator cap at mejo may rust nung chineck ko.

Thanks lot

If it's the radiator cap only, it will overheat whether or not the AC is on.

**mark_t** · October 21st, 2010 10:43 AM

Originally Posted by ben_david19

ganito kasi bro bakit gumagamit ng coolant.

water = higher cooling power pero lower boiling point
coolant = higher boiling point = higher heat transfer efficiency + anti-rust properties

just use 50-50 mix. nabibili ito sa mga gas stations. color green or orange madalas kulay nito.

since kapag on lang ang a/c nago-overheat, probably aux fan lang iyan hehe. kung umiikot naman, baka mahina nga lang ang ikot.

plus.........