Auxillary fan installed in front

[StockEngine]

Not sure if this is ok. Normally fans are behind the radiator/condenser. Any comments or thoughts on this setup?


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[shelu]

nice one.

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[benchman]

for the condenser? direct cooling; that would be fine. madami naman na gumagawa niyan bro.

[StockEngine]

for the condenser? direct cooling; that would be fine. madami naman na gumagawa niyan bro.

thanks for info.

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[monty_GTV]

sa MS sir stock nasa harap. bro zix added an auxillary fan sa harap din...

[StockEngine]

sa MS sir stock nasa harap. bro zix added an auxillary fan sa harap din...

meron mesh in between? I think factory setup is behind kasi in case the fan blade cracks.. the shards will not damage the radiator.

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[dr. d]

Not sure if this is ok. Normally fans are behind the radiator/condenser. Any comments or thoughts on this setup?


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nice and clean. i like it.
also, because of the large space around it, it will allow the use of cheaper, non-branded fans.

[ice15]

I remember '90s cars had fans in front... Another behind the radiator...

Fan in front is connected to the A/C compressor...
Radiator fan is linked with the thermostat...

I think '90s Sentras have 2 big fans behind the radiator... Instead of the front and back set-up...

[dr. d]

I remember '90s cars had fans in front... Another behind the radiator...

Fan in front is connected to the A/C compressor...
Radiator fan is linked with the thermostat...

I think '90s Sentras have 2 big fans behind the radiator... Instead of the front and back set-up...

many rear-drive cars of 90s and older, had fans behind the radiator. but to some owners, the aircons and engines got hotter in heavy traffic.
they added auxiliary electric fans in front of the radiator. the set-up resulted in cooler aircon and engine, and did not result in engine overheat when off.
i had one, myself.

my '97 sentra had two aux fans in front. and they gave me a big headache.
for a long time, i could not find the source of my engine's tendency to overheat in traffic. until an oldtimer mechanic showed me just how weak my old fans' airflow was, compared to the new ones'. we had to do it side by side, as my old fans still managed to push out considerable oomph.
strangely, the aircon was still acceptably cold. but it did get factory-arctic-cold, after replacement of the old aux fans.

[SidCoronel]

many rear-drive cars of 90s and older, had fans behind the radiator. but to some owners, the aircons and engines got hotter in heavy traffic.
they added auxiliary electric fans in front of the radiator. the set-up resulted in cooler aircon and engine, and did not result in engine overheat when off.
i had one, myself.

my '97 sentra had two aux fans in front. and they gave me a big headache.
for a long time, i could not find the source of my engine's tendency to overheat in traffic. until an oldtimer mechanic showed me just how weak my old fans' airflow was, compared to the new ones'. we had to do it side by side, as my old fans still managed to push out considerable oomph.
strangely, the aircon was still acceptably cold. but it did get factory-arctic-cold, after replacement of the old aux fans.

Yes, it's a common remedy especially for "non-tropical designed" cars.

The aux fan infront of the engine typically draws air towards the engine, and the 2nd aux fan behind the bumper must draw air towards the engine as well... Ergo, one air flow direction towards the engine.

[jaypee10]

sa honda vti kodati nilagyan ko.malaking tulong sa engine at aircon kailangan baliktarin din ung blade para pahigop ung hangin..
ngayon naman sa advie nilagyan ko rin maganda nagiging lamig ng AC at hindi pa gaano nagiinit ang makina..800 lang kuha ko ako nalang nag install ,,

[StockEngine]

sa honda vti kodati nilagyan ko.malaking tulong sa engine at aircon kailangan baliktarin din ung blade para pahigop ung hangin..
ngayon naman sa advie nilagyan ko rin maganda nagiging lamig ng AC at hindi pa gaano nagiinit ang makina..800 lang kuha ko ako nalang nag install ,,

80 for the fan assembly? good deal bro. oem mounting was available?

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[dr. d]

sa honda vti kodati nilagyan ko.malaking tulong sa engine at aircon kailangan baliktarin din ung blade para pahigop ung hangin..
ngayon naman sa advie nilagyan ko rin maganda nagiging lamig ng AC at hindi pa gaano nagiinit ang makina..800 lang kuha ko ako nalang nag install ,,

if the blades are not uni-directional, one has but to exchange terminal connections, to reverse the airflow.
if unidirectional, you have to flip the housing, to maximize airflow.

[oj88]

I wonder if it would help to swap out the clutch fan on the Innova 2.5 with a pair of aux fans. I'm on the side of the fence that thinks dual aux fans would be better than a single clutch fan, all things considered. For one, aux fans has less parasitic draw as they only operate on-demand. That means, less power loss and better fuel economy in the long run. It also means I still get a full complement of air flow while stuck in traffic, among other advantages.

Is there a place on the 2KD-FTV for a screw-on thermo switch?

Wiring would slightly be a challenge as I'd want it to function like a stock aux fan would.... Run automatically at 100% when the A/C compressor is engaged and/or at 80% when the coolant temp goes up to a preset temp (ie. ≥85 °C). The fan then turns off when the A/C compressor is disengaged and/or if the coolant temp gets down to ≤80 °C.

* I'm just guessing the operating temp range here. I might fire up the ol' Techstream later and see if I can get a reading off of the coolant temp sensor while the engine is running at operating temp.

This might be more work than is necessary, but if I can somehow manage to get my butt off the sofa and actually start working on this, it's probably going to be fun.

[dr. d]

I wonder if it would help to swap out the clutch fan on the Innova 2.5 with a pair of aux fans. I'm on the side of the fence that thinks dual aux fans would be better than a single clutch fan, all things considered. For one, aux fans has less parasitic draw as they only operate on-demand. That means, less power loss and better fuel economy in the long run. It also means I still get a full complement of air flow while stuck in traffic, among other advantages.

Is there a place on the 2KD-FTV for a screw-on thermo switch?

Wiring would slightly be a challenge as I'd want it to function like a stock aux fan would.... Run automatically at 100% when the A/C compressor is engaged and/or at 80% when the coolant temp goes up to a preset temp (ie. ≥85 °C). The fan then turns off when the A/C compressor is disengaged and/or if the coolant temp gets down to ≤80 °C.

* I'm just guessing the operating temp range here. I might fire up the ol' Techstream later and see if I can get a reading off of the coolant temp sensor while the engine is running at operating temp.

This might be more work than is necessary, but if I can somehow manage to get my butt off the sofa and actually start working on this, it's probably going to be fun.

i used to have a liftback. i brought it to the aircon shop, because the aircon would get warm in traffic. aircon man installed an aux fan in front of the radiator. it did wonders to my aircon, even in traffic.

he connected my aux fan power needs to the compressor's. fan would run when compressor kicked in.

the engine did not overheat, aircon on or off, traffic or highway.

the original fan behind the radiator was not touched in any way.

i guess, the most difficult part, would to be to get one that fits into the space.

what is your car, sir?

[jaypee10]

if the blades are not uni-directional, one has but to exchange terminal connections, to reverse the airflow.
if unidirectional, you have to flip the housing, to maximize airflow.

yes sir ..pag binaliktad nyo po ung terminal mag reverse po ung ikot.pero kailangan nyo parin po baliktarin ung blade.universal aux fan tawag nila..sa las pinyas ko nabili kay kingsport sa sapote..

[oj88]

i used to have a liftback. i brought it to the aircon shop, because the aircon would get warm in traffic. aircon man installed an aux fan in front of the radiator. it did wonders to my aircon, even in traffic.

he connected my aux fan power needs to the compressor's. fan would run when compressor kicked in.

the engine did not overheat, aircon on or off, traffic or highway.

the original fan behind the radiator was not touched in any way.

i guess, the most difficult part, would to be to get one that fits into the space.

what is your car, sir?

Yeah, that's the easy way to solve one problem (the need for continuous airflow while idling). But to actually reduce or eliminate engine power loss (and promote better FE), going full-electric is probably the way to go. There are other advantages. For one, with the mechanical fan removed, there's less lateral forces and vibration acting on the water pump, which theoretically will make its bearing and seals last longer.

[benchman]

I wonder if it would help to swap out the clutch fan on the Innova 2.5 with a pair of aux fans. I'm on the side of the fence that thinks dual aux fans would be better than a single clutch fan, all things considered. For one, aux fans has less parasitic draw as they only operate on-demand. That means, less power loss and better fuel economy in the long run. It also means I still get a full complement of air flow while stuck in traffic, among other advantages.

Is there a place on the 2KD-FTV for a screw-on thermo switch?

Wiring would slightly be a challenge as I'd want it to function like a stock aux fan would.... Run automatically at 100% when the A/C compressor is engaged and/or at 80% when the coolant temp goes up to a preset temp (ie. ≥85 °C). The fan then turns off when the A/C compressor is disengaged and/or if the coolant temp gets down to ≤80 °C.

* I'm just guessing the operating temp range here. I might fire up the ol' Techstream later and see if I can get a reading off of the coolant temp sensor while the engine is running at operating temp.

This might be more work than is necessary, but if I can somehow manage to get my butt off the sofa and actually start working on this, it's probably going to be fun.

years ago, i've seen a box type lancer at the talyer with that kind of setup. though i didn't have the time to ask the owner how it works.
also my guess with the wiring could be a challenge.