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Air inlet for ventilation/heater
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05 Sep 2020 12:00 #227762
by Soeley
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
Air inlet for ventilation/heater was created by Soeley
Does any know where the air inlet is on the Gen4 for the heating/cooling vents?
When laning and is slow traffic, with the heater set to low the air coming through the vents is warmer than the ambient air outside. But when you get going again it is a nice cool breeze. So I'm guessing it is under the bonnet somewhere and the engine heat is warming the air up, or it is ducted close to a heat source.
Wondering if it can be ducted from behind the grille, even if only for summer time?
When laning and is slow traffic, with the heater set to low the air coming through the vents is warmer than the ambient air outside. But when you get going again it is a nice cool breeze. So I'm guessing it is under the bonnet somewhere and the engine heat is warming the air up, or it is ducted close to a heat source.
Wondering if it can be ducted from behind the grille, even if only for summer time?
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
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05 Sep 2020 12:38 #227763
by mlines
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Replied by mlines on topic Re:Air inlet for ventilation/heater
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
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05 Sep 2020 13:42 #227767
by Soeley
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
Replied by Soeley on topic Air inlet for ventilation/heater
I did wonder about that one, not yet had reason to remove the scuttle panel
It must just be getting hot through the bulkhead maybe and maybe drawing hot air from the bonnet?

Black 2019 Jimny SZ5
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- GeorgeC
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05 Sep 2020 15:48 - 05 Sep 2020 15:54 #227771
by GeorgeC
Replied by GeorgeC on topic Air inlet for ventilation/heater
Last edit: 05 Sep 2020 15:54 by GeorgeC.
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05 Sep 2020 15:55 #227772
by Soeley
You were right Martin, just tested with some tissue and it sucked it down when fan blower turned on.
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
Replied by Soeley on topic Re:Air inlet for ventilation/heater
mlines wrote: This vent seems to align with the intake on the heater unit
Sent from my Pixel 2 XL using Tapatalk
You were right Martin, just tested with some tissue and it sucked it down when fan blower turned on.
Black 2019 Jimny SZ5
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05 Sep 2020 15:57 #227773
by Soeley
Recirculate will just reuse the already warm air within the cab. My point was on low or cold the air temp should be the same as the outside. Looks like it is either dragging heat from the bonnet surface or through the bulkhead.
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
Replied by Soeley on topic Air inlet for ventilation/heater
GeorgeC wrote: I guess you have tried "Re-circulate" as it may be cooler than "Fresh"? And the temp setting?
I normally use "Fresh, 30C, Fan 1-3" and now "OFF"!
Recirculate will just reuse the already warm air within the cab. My point was on low or cold the air temp should be the same as the outside. Looks like it is either dragging heat from the bonnet surface or through the bulkhead.
Black 2019 Jimny SZ5
www.bigjimny.com/index.php/forum/8-my-ji...ley-s-2019-black-sz5
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