Preparing for the dreaded blower motor and - LotusTalk - The Lotus Cars Community
 
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post #1 of 17 (permalink) Old 08-28-2018, 07:07 AM Thread Starter
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Preparing for the dreaded blower motor and

So I am preparing for fixing my HVAC system

List of issues

1) Hot/Cold Flap does not work
2) Fan does not blow
3) Drain Holes need to be drilled
4) Resister Pack needs to be replaced
5) Recirc Button does not work/light up

I plan on taking Clam off to do all these sometimes in the fall

I need some assistance on a plan of attack and parts and tools list

Thanks

Lotus Elise '05 Graphite Grey; Miles: 41,xxx
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post #2 of 17 (permalink) Old 08-28-2018, 07:24 AM
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I'll try to dig up the part number, but you should be able to also search and find it. Rockauto carries the actuator for the blend door and for the directional flap (same part) for a fraction of what dealers charge. I'd replace both since you'll be right there anyways. You'll also need a AC dryer, o-rings, and some parts like that. Sadly, the go-to guy on here was murdered a few months ago, but his shop may still be able to help you get the part numbers right - Arizona Auto Refrigeration

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post #3 of 17 (permalink) Old 08-28-2018, 08:07 AM
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Quote:
Originally Posted by cyow5 View Post
Sadly, the go-to guy on here was murdered a few months ago, but his shop may still be able to help you get the part numbers right..
What?!?!?!?

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post #4 of 17 (permalink) Old 08-28-2018, 08:10 AM Thread Starter
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what is an AC dryer? my A/C compressor and everything was working just fine before my resister plug shorted out and now continuously pops the fuse
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post #5 of 17 (permalink) Old 08-28-2018, 08:37 AM
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What?!?!?!?
https://tucson.com/news/local/man-ar...b732851b1.html

His name on here was azac, and he was a huge help. He even called me and talked me through what I needed

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what is an AC dryer? my A/C compressor and everything was working just fine before my resister plug shorted out and now continuously pops the fuse
You'll need to open the AC lines to remove the blower, and it is proper to replace the dryer after that.

"Lots Of Trouble; Usually Serious"
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post #6 of 17 (permalink) Old 08-28-2018, 08:45 AM Thread Starter
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shucks. this is going to suck even more than i thought

Lotus Elise '05 Graphite Grey; Miles: 41,xxx
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post #7 of 17 (permalink) Old 08-28-2018, 09:11 AM
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Wow

anyway, vintage air is my go to source for AC parts, they sell through summit racing as well
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post #8 of 17 (permalink) Old 08-28-2018, 09:12 AM
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I was wondering whether you should check function after you get the fan working since all those things want fan power to actuate
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post #9 of 17 (permalink) Old 08-28-2018, 09:39 AM
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Quote:
Originally Posted by cyow5 View Post
https://tucson.com/news/local/man-ar...b732851b1.html

His name on here was azac, and he was a huge help. He even called me and talked me through what I needed
Wow, I had no idea. Crazy.



Quote:
Originally Posted by ZeRoSL View Post
So I am preparing for fixing my HVAC system

List of issues

1) Hot/Cold Flap does not work
2) Fan does not blow
3) Drain Holes need to be drilled
4) Resister Pack needs to be replaced
5) Recirc Button does not work/light up

I plan on taking Clam off to do all these sometimes in the fall

I need some assistance on a plan of attack and parts and tools list

Thanks
There is an upgrade blower motor out there as well, I've seen it, just don't have the part number.

I need to make this full list as well, doing my radiator, hoses, resister pack, drain holes, front stainless lines all at the same time.

I feel CERTAIN that if someone were to make a true upgrade "kit", with proper instructions (you listening Shinoo?), it would be fantastic for the community. Or at least be a one-stop-shop source for all the parts that might be needed.

2006 Exige
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post #10 of 17 (permalink) Old 08-28-2018, 09:40 AM Thread Starter
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recirc never lit up before, and pressing it never seemed to make a difference even when my fans and A/C worked.

I wanted to try the "surgery method" instead of taking the blower motor out, but I may need to take it out to fix the hot/cold flap.

Sigh

Lotus Elise '05 Graphite Grey; Miles: 41,xxx
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post #11 of 17 (permalink) Old 08-29-2018, 03:42 AM Thread Starter
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wow, if there is an upgraded blower motor, I would do that in a heartbeat

Lotus Elise '05 Graphite Grey; Miles: 41,xxx
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post #12 of 17 (permalink) Old 08-29-2018, 03:58 AM
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The blower is not the problem.

The airflow through the system is poor.

Number one thing to do is remove the recirc cover plates.

I think the new Exige still uses the same blower but the heater box is different.

Have not heard reports on its efficacy
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post #13 of 17 (permalink) Old 08-29-2018, 04:07 AM
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wow, if there is an upgraded blower motor, I would do that in a heartbeat
There is, and it's cheaper. It's where Lotus sources it from, just direct instead of going through Lotus. I'll try to find the info tonight.

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post #14 of 17 (permalink) Old 03-20-2019, 03:23 AM Thread Starter
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So I never got around to it this winter, but did have a thought... would it be possible to put an inline 12v fan where the ducting goes above the heater core?

am I absolutely insane?

Lotus Elise '05 Graphite Grey; Miles: 41,xxx
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post #15 of 17 (permalink) Old 03-20-2019, 07:25 AM
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The big issue is all the restriction in the ductwork and the size thereof, not really the fan itself. Incidentally, I also discovered that poor heater performance on my car was due to a heater hose being kinked where it connects to a hard line in the engine bay. I had wondered why the heater only got decent once the car was really fully hot - answer, it finally pressurizes the hoses, unkinking the kink and allows coolant to flow more freely to the heater core.
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post #16 of 17 (permalink) Old 03-20-2019, 07:35 AM
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get motivated and you can have it done in a few weeks of nights and weekends

IT seems daunting until you actually get into it

pulling the clam is not such a big deal
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post #17 of 17 (permalink) Old 03-20-2019, 08:42 AM Thread Starter
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Steelypip, my blower is showing no signs of life and the fuses are OK so I was thinking if I could get SOME movement of air into the cabin that would be enough for me.

exigegus, Pulling the clam off is doable, but also getting the radiator back out, heater core out, A/C lines drained, resister pack replaced, and blower motor replaced, then filling and zipping it all back up is another story. I don't have the garage at home and usually have access to a lift/garage/tools for 7 hours tops at a time. Last time I replaced the radiator it took about 9 hours so, I doubt I can do this job myself without a better location/time situation

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