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Old 12-04-2013, 02:51 PM   #626
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If I remember right when I did the conversion I just went into the local NAPA and told them what I was looking for and the temp ranges and that's where I got these P/N's. I might just call them to see if they do have a listing for the 82/77 if so I will post that up.
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Old 12-04-2013, 06:04 PM   #627
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Autozone and Advance were both a bust. I had them looking up sensors for late 80's audi's and saabs but we couldn't find the 82/77. They had no idea how to search by temperature range...
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Old 12-04-2013, 06:57 PM   #628
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I'll see if I have an extra 77/82 laying around when I get home. Pretty sure I do.
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Old 12-13-2013, 12:18 AM   #629
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Quote:
Originally Posted by J_Jones View Post
Went to their catalog and couldn't find an 82/77 in there either.
Nomenclature: ECH FS193

Attributes: # Switch Terminals : 2
Coolant Fan Switch Temp Rating : On At 174-186 Deg. F., Off at148-160 Deg. F.
Coolant Fan Switch Thread Size : M22 x 1.5"
Terminal Type : Male Blade


Part Number: ECH FS194
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Old 12-22-2013, 09:01 PM   #630
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FCP has them and they have a good warranty.

http://www.fcpeuro.com/products/audi...ch-82395948182
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Old 01-11-2014, 03:52 PM   #631
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This has got to be the most overthunk thread on TB
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Old 01-11-2014, 04:03 PM   #632
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Took all of 20 minutes to put the e-fan on and wire it up with the Saab T and a sensor from FCP.
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Old 04-19-2014, 05:44 PM   #633
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This^^
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Old 04-21-2014, 11:52 AM   #634
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Quote:
Originally Posted by J_Jones View Post
Took all of 20 minutes to put the e-fan on and wire it up with the Saab T and a sensor from FCP.
Which part #s and did you put it in the upper hose? How steady are your temps and what thermostat do you have in the car?
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Old 04-21-2014, 04:55 PM   #635
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Put it in the lower hose and temps are stable, they match what the sensor says 92/87 (Wahler 201-0809). I originally tried the Wahler 82395948182 (82/77 IIRC) and it was too cool in my opinion.

Can't remember exactly what thermostat is in there due to it being years since it has been replaced. If I had to guess based on what I see in Tunerstudio when the temp climbs and then drops when it opens, I would say it is the 87 in there.

Last edited by J_Jones; 04-21-2014 at 04:56 PM.. Reason: corrected to 82/77
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Old 04-21-2014, 05:34 PM   #636
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Very cool, thank you for the part numbers and info!
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Old 04-23-2014, 08:33 AM   #637
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If you have a radiator with the thread-in sensor, you could use one of these:



Since it's two-post, you could use it with the factory 850 fan and dual speed relay...low speed comes on at 189*F, high speed comes on at 198*F.

http://shop.advanceautoparts.com/p/w...50/10283131-P#
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Old 04-28-2014, 08:19 PM   #638
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Quote:
Originally Posted by propav8r View Post
If you have a radiator with the thread-in sensor, you could use one of these:



Since it's two-post, you could use it with the factory 850 fan and dual speed relay...low speed comes on at 189*F, high speed comes on at 198*F.

http://shop.advanceautoparts.com/p/w...50/10283131-P#
Is the a two speed switch that kicks them on sooner?
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Old 04-28-2014, 10:06 PM   #639
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Why would you want a low speed fan on below 189*F/87*C?
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Old 04-29-2014, 08:04 PM   #640
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Quote:
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Why would you want a low speed fan on below 189*F/87*C?
Would not. Got the Saab t and 82/77 in tHe lower hose and it work good with the stock thermostat. Lower hose has coolest antifreeze going back to motor. Now I want to change locations of switch to radiator and don't want to waste money getting the wrong switch.the ac has now worked in years but will this year. I use the. Low speed only and that has been fine but I'm not taking advantage of the 2 speed Volvo fan. Still plan to wire the high speed to come on with the ac.
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Old 06-08-2014, 07:12 PM   #641
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Quote:
Originally Posted by propav8r View Post
If you have a radiator with the thread-in sensor, you could use one of these:



Since it's two-post, you could use it with the factory 850 fan and dual speed relay...low speed comes on at 189*F, high speed comes on at 198*F.

http://shop.advanceautoparts.com/p/w...50/10283131-P#
this is nice.
what male connector fits?
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Old 06-15-2014, 01:45 AM   #642
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Quote:
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Why would you want a low speed fan on below 189*F/87*C?
Turbo heat soak?
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Old 06-17-2014, 06:47 PM   #643
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Quote:
Originally Posted by propav8r View Post
If you have a radiator with the thread-in sensor, you could use one of these:



Since it's two-post, you could use it with the factory 850 fan and dual speed relay...low speed comes on at 189*F, high speed comes on at 198*F.

http://shop.advanceautoparts.com/p/w...50/10283131-P#
I did cut a old top hose and put the switch in there. Works okay but the way I have it wire fan sometimes comes on a second time after the car is off. Have not had time to tinker with it but not cooling issues at all. Do plan to order that switch in the next week or so and test it out for my self. It makes for a clean install. My cars are all still NA. Just can't get started and Now my 242 has a blown Head gasket. Duck me running. Made the deal for a big Valve Unitek 530 so I may finally get something boosted going.
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Old 06-17-2014, 11:44 PM   #644
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Quote:
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This has got to be the most overthunk thread on TB
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Old 06-19-2014, 02:44 PM   #645
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Quote:
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the way I have it wire fan sometimes comes on a second time after the car is off.
Same here, and I'm perfectly ok with it. It's been like that for years and I appreciate that it is keeping underhood temperatures in check at all times. A decent battery will have no problem with it. My fan actually turned on 3 or 4 times a couple of days ago while it was sitting in a hot garage after I drove it home from work(nothing special). Still fired up plenty fine in the morning and I've had the battery installed for more than 3 years. The fan's been installed exactly as it is for probably closer to 4 or 5 years.
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Old 06-19-2014, 07:33 PM   #646
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Same here, and I'm perfectly ok with it. It's been like that for years and I appreciate that it is keeping underhood temperatures in check at all times. A decent battery will have no problem with it. My fan actually turned on 3 or 4 times a couple of days ago while it was sitting in a hot garage after I drove it home from work(nothing special). Still fired up plenty fine in the morning and I've had the battery installed for more than 3 years. The fan's been installed exactly as it is for probably closer to 4 or 5 years.
Only time that you would run the battery down is when it going bad anyway. You right about the under temp with it coming on like that. Did not think of that but I have garage space for my 240's or I mine would do the same thing. Still going to try that two speed switch the I will know first hand and it's a cleaner install. Need to tidy the engine bay anyway.
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Old 07-09-2014, 03:21 PM   #647
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Found a cheaper dual switch with m22 threads:

http://www.amazon.com/Beck-Arnley-20.../dp/B000CB3EEQ

From the supplier:

Quote:
The correct temperatures are 87-76C - 93-82C. You are correct in that this is a dual switch. Our stock has been checked and everything is fine.

I am sorry for the inconvenience.

Again, thank you for looking to Beck Arnley for your needs.

Best regards,

Jan Crowley
Product Manager
It's cheaper than that other one from Wells.
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Old 07-10-2014, 01:49 PM   #648
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I don't know if I posted this in here, but this is what I found a long time ago:

Quote:
Took me forever to find, but for all you e-fan people, this fits in the rad and controls high and low speeds if you use it with the Volvo relay (don't know if it's rated for the current of the fan itself):
Low / High
on-off/ on-off part number
75-70/82-77c (25195948175)
85-74/93-82c (251959481K)
95-81/102-91c (191959481C)
You can get the plug from any VW or Audi with A/C, or be cheap and use spades.
Hopefully this cures my detonation from heat soak (it's not really even summer yet).
It threads into the threaded rads and the SAAB coolant T.
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Old 07-10-2014, 04:36 PM   #649
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I use the 85-74/93-82 switch on my car with an 82 t-stat. Car stays as cool as it did with just low speed as it used to be when I had high speed going on the old rad switch. The fan only runs once, on low after I shut the car off. Haven't gotten it hot enough for high speed switch to kick in yet
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Old 07-29-2014, 12:31 AM   #650
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I was doing some work today and learned something very important I want to pass on.

If you have a 940/850 e fan on either your 240 or 740 and never had a pusher e fan to begin with, then here is the way to wire it up so it works when the compressor turns on.



This is how you do it, high speed either is spliced or goes to 87, splice a wire from the compressor and put it on terminal 86. Then from there put 85 and 30 to ground.

The only issue I have found so far is that when the car is in the on but not running and the compressor engages, the fan will turn on when the car is off, but that can be solved by a second relay.
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