DIY Stock MyVi & Alza 1.5 Heat Shield

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator
May 11, 2010
29,376
8,203
1,713
Petaling Jaya
I still got some PE foam if you want some
Let me see what to mod first?

---------- Post added at 03:19 PM ---------- 6 hour anti-bump limit - Previous post was at 03:19 PM ----------

looks like another DIY session at unker vr's hse.
can bring my atos to do it too :biggrin:
Can, come come......:driver:
 

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator
May 11, 2010
29,376
8,203
1,713
Petaling Jaya
Okay, last few days doing the battery heat shield for wife's SUV. Search around for something to DIY with. Household kitchen aluminum foil was found to be too flimsy. Finally found those aluminum backing for kitchen stove. Found them is those stores similar to Daiso at RM5.





The aluminum seems thicker but still not thick enough, so measure and cut cardboard.


Then cut aluminum to size


Then wrap cardboard with it


Then bent the board accordingly, remove battery clamp, fit in and clamp back. Using battery clamp to hold in place.

Before


After ( Can see radiator and fan right in front of battery)




Thanks for viewing....
 
  • Like
Reactions: dwen

mADmAN

Senior Member
Senior Member

mADmAN

Senior Member
Senior Member
Aug 5, 2004
1,840
547
3,213
me2kimi - doesn't the hose get heated up with the extractor being so close by?
plastic doesnt soak up heat very well and it doesnt dissipate heat very well either....

plus considering the speed of the air going through the hose, i think the amount of heat would be negligible....especially since its sucking directly at the front grill.

metal tubes on the other hand....
 

deroll

Active Member

deroll

Active Member
Feb 24, 2014
46
4
508
Selangor
Where can I get PE foam? Is stationary store plastic boards suitable for heatshields?

Okay, last few days doing the battery heat shield for wife's SUV. Search around for something to DIY with. Household kitchen aluminum foil was found to be too flimsy. Finally found those aluminum backing for kitchen stove. Found them is those stores similar to Daiso at RM5.
....
The aluminum seems thicker but still not thick enough, so measure and cut cardboard.
...
Then cut aluminum to size
....
Then wrap cardboard with it
.....
Thanks for viewing....
You could've used the same sort of plastic boards (ordinary stationary store boards?) the others have been using since cardboard might soak up engine oil, moisture and degrade.
 

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator
May 11, 2010
29,376
8,203
1,713
Petaling Jaya
Where can I get PE foam? Is stationary store plastic boards suitable for heatshields?

You could've used the same sort of plastic boards (ordinary stationary store boards?) the others have been using since cardboard might soak up engine oil, moisture and degrade.
Did with what I had in hand. Anyway the cardboard is wrapped in the aluminum sheet, so protected from water, oil etc....:driver:
 

cvkit17

2,000 RPM
Senior Member

cvkit17

2,000 RPM
Senior Member
Mar 20, 2012
2,877
1,349
713
Kuala Lumpur
Did with what I had in hand. Anyway the cardboard is wrapped in the aluminum sheet, so protected from water, oil etc....:driver:
Should be no problem as long as it is not exposed. Y not tilt the shield a little bit to deflect the hot air?
 

mADmAN

Senior Member
Senior Member

mADmAN

Senior Member
Senior Member
Aug 5, 2004
1,840
547
3,213
Where can I get PE foam? Is stationary store plastic boards suitable for heatshields?



You could've used the same sort of plastic boards (ordinary stationary store boards?) the others have been using since cardboard might soak up engine oil, moisture and degrade.
quick question... can those stationery plastic boards handle hot air from the radiator fan... thinking of making one of these as my radiator fan is blowing hot air to my open pod
 

cvkit17

2,000 RPM
Senior Member

cvkit17

2,000 RPM
Senior Member
Mar 20, 2012
2,877
1,349
713
Kuala Lumpur
quick question... can those stationery plastic boards handle hot air from the radiator fan... thinking of making one of these as my radiator fan is blowing hot air to my open pod
its worth the try coz it is kinda cheap. The best is that you add some more insulation or cladding to the plastic board (maybe rubber or the best is PE foam / fiberglass)
 

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator

vr2turbo

Beyond 20,000 RPM!
Helmet Clan
Moderator
May 11, 2010
29,376
8,203
1,713
Petaling Jaya
Should be no problem as long as it is not exposed. Y not tilt the shield a little bit to deflect the hot air?
Firstly not much space and secondly I am using the battery clamp to hold it in place...:driver:

---------- Post added at 10:34 AM ---------- 6 hour anti-bump limit - Previous post was at 10:33 AM ----------

quick question... can those stationery plastic boards handle hot air from the radiator fan... thinking of making one of these as my radiator fan is blowing hot air to my open pod
Can wrap them in the aluminum foil like mine. Buy from RM5 shop.....:biggrin:

Going to do another two. One for VR and one for my Hyundai. Both are quite simialr and this time will be straight from front to rear rather then across left to right...
 
Last edited:

mADmAN

Senior Member
Senior Member

mADmAN

Senior Member
Senior Member
Aug 5, 2004
1,840
547
3,213
Can wrap them in the aluminum foil like mine. Buy from RM5 shop.....:biggrin:
one concern about wrapping in aluminium foil is heat soak...since itll be bombarded with hot air from the radiator fan....and aluminium is a good heat conductor (n heat dissipator).

there exists a possibility that the foil will be heated up enough to melt the plastic... or mebbe make it super flimsy

or am i being too anal? hahaha... mebbe wrap with insuflex first then only alu foil la hahahah
 

cvkit17

2,000 RPM
Senior Member

cvkit17

2,000 RPM
Senior Member
Mar 20, 2012
2,877
1,349
713
Kuala Lumpur
one concern about wrapping in aluminium foil is heat soak...since itll be bombarded with hot air from the radiator fan....and aluminium is a good heat conductor (n heat dissipator).

there exists a possibility that the foil will be heated up enough to melt the plastic... or mebbe make it super flimsy

or am i being too anal? hahaha... mebbe wrap with insuflex first then only alu foil la hahahah
I think no need worry...aluminum is a good conductor but highly resistant to radiant heat. Its always wrap with aluminum first then only insulflex then only the plastic or cardboard.
 
Apr 16, 2018
1
0
1
39
My family car is an Alza. I drive it weekends to fetch whole family of 3 generations to meals and shopping. My Parents + my sister + my son... It's a great economical car... trust me, it is very valued for money.

However, I realized driving on hot weather, aircon is not as cold and the engine is sluggish. A little peek under the hood, the answer was revealed.

The Air box intake pipe is in the engine compartment and it is sucking hot air from inside the engine bay. I guess this design is from Japan where during winter, it is taking warm air to prevent throttle body from freezing.

Also realised that the Aircon piping are HOT on both the H and L pipings as soon as I cut off the engine for around 5mins.


Checking my garage, I found this piece of heat shield I took out from my EvoX's Open Pod Heat Shield project. It's a industrial plastic material used widely for advertisement boards. It resist heat well and will not melt easily. (It survived 3 months in a Turbocharged engine)

Here's the picture of the heat shield in place. Just slot it in after you cut it to shape. I was very lucky as it is the same shape as the design I traced out for my EvoX project, only thing is in the Alza, I only use exactly half of it.
Do ensure that the heat shield had some curved front part towards the grill to help scoop cold air into the intake compartment.
Cable tie it to keep it in place... However I find it already fitting tightly and perfectly.

A closer look. The heat shield nicely compartmentalize the hot area from the Intake area and the Air Con piping. The intake pipe will only be sucking in cold air and fresh from this part of the engine bay

-----

Did a 30 KM drive after this DIY. The difference is felt by everyone in the car. Car accelerated smoother and easier after traffic light stops. Air Con cools down faster and have to turn the thermostat down a little...

Raya is coming and many will be traveling and traffic jams will be unavoidable. Try this little DIY that will give you and your family a more comfortable traveling experience (also to give a little power to your car instead of sucking hot air)
Hi im new member here n im found this is very good information for me. Sadly i cant see any picture on your post as it was 2013 maybe. If u dont mind cud u pls repost the picture again to know the exactly location.. thnks so much
 

Izso

Boooooossst
Helmet Clan
Moderator

Izso

Boooooossst
Helmet Clan
Moderator
Mar 28, 2004
14,848
6,254
5,213
KL
Hi im new member here n im found this is very good information for me. Sadly i cant see any picture on your post as it was 2013 maybe. If u dont mind cud u pls repost the picture again to know the exactly location.. thnks so much
Might actually be easier to ask your question again so people can re-share
 
  • Like
Reactions: Syazlee
Jan 4, 2019
1
0
1
45
My family car is an Alza. I drive it weekends to fetch whole family of 3 generations to meals and shopping. My Parents + my sister + my son... It's a great economical car... trust me, it is very valued for money.

However, I realized driving on hot weather, aircon is not as cold and the engine is sluggish. A little peek under the hood, the answer was revealed.

The Air box intake pipe is in the engine compartment and it is sucking hot air from inside the engine bay. I guess this design is from Japan where during winter, it is taking warm air to prevent throttle body from freezing.

Also realised that the Aircon piping are HOT on both the H and L pipings as soon as I cut off the engine for around 5mins.


Checking my garage, I found this piece of heat shield I took out from my EvoX's Open Pod Heat Shield project. It's a industrial plastic material used widely for advertisement boards. It resist heat well and will not melt easily. (It survived 3 months in a Turbocharged engine)

Here's the picture of the heat shield in place. Just slot it in after you cut it to shape. I was very lucky as it is the same shape as the design I traced out for my EvoX project, only thing is in the Alza, I only use exactly half of it.
Do ensure that the heat shield had some curved front part towards the grill to help scoop cold air into the intake compartment.
Cable tie it to keep it in place... However I find it already fitting tightly and perfectly.

A closer look. The heat shield nicely compartmentalize the hot area from the Intake area and the Air Con piping. The intake pipe will only be sucking in cold air and fresh from this part of the engine bay

-----

Did a 30 KM drive after this DIY. The difference is felt by everyone in the car. Car accelerated smoother and easier after traffic light stops. Air Con cools down faster and have to turn the thermostat down a little...

Raya is coming and many will be traveling and traffic jams will be unavoidable. Try this little DIY that will give you and your family a more comfortable traveling experience (also to give a little power to your car instead of sucking hot air)
Hi , do you still have the picture of those as the above not able to show the image. Btw, will it help to reduce the heat around the battery if I wrap the battery case with aluminum label.

Thanks in advance on all inputs.
 

Izso

Boooooossst
Helmet Clan
Moderator

Izso

Boooooossst
Helmet Clan
Moderator
Mar 28, 2004
14,848
6,254
5,213
KL
Hi , do you still have the picture of those as the above not able to show the image. Btw, will it help to reduce the heat around the battery if I wrap the battery case with aluminum label.

Thanks in advance on all inputs.
Wrapping the battery helps the battery live longer regardless. Just do it