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Old 09-18-2017, 10:40 AM   #1
Ionizen
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Default New ETCS, Temp is at 215

Several months ago I replaced my T-stat with the 195 Stant and replaced the ETCS on my 2001 SL1. Temp was running at 1/4 mark. After the change the temp registered just below or at the half mark which sounded at bit high. Recently got a wireless OBD2 with dashcommand app and temp is reading around 215.

What effect will this have long term? I'm guessing I need the replace the connector. Saw an OEM ECTS with connector for about $50 shipped. Never made any electrical repairs before. Would I need a heat gun with shrink wrap or are there other options to do it correctly? Thanks in advance.

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Old 09-18-2017, 11:32 AM   #2
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Default Re: New ETCS, Temp is at 215

edit: 215 sounds normal, maybe just a touch high depending on conditions. What conditions were you reading the temp - cruise, idle, etc? How long was it idling?

If you go to a junkyard, look under the intake snorkel of any year S-series. There is an Intake Air Temperature sensor, which is the same part as the ECTS but will be in much better shape, due to location. Cut the IAT connector off, and use that for your ECTS. It'll run you about $1

Put the shrink wrap on, solder the wires, slide the shrink wrap over the soldered sections, and use a hair dryer. I never used a heat gun on shrink wrap, too hot. I did put the hair dryer on "High", though

It's overkill, but I bought a bottle of liquid plastic and coat my soldered joints with that before putting shrink wrap on


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Last edited by alordofchaos; 09-18-2017 at 11:38 AM..

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Old 09-18-2017, 12:17 PM   #3
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Default Re: New ETCS, Temp is at 215

Temp was at 215 after a 15 min city commut with temp gauge at 1/2. This was the first I have monitored temp with this app but based off the temp gauge this is the high temp the car runs normally.

If this is an acceptable temp range I'd rather leave well enough alone.

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Old 09-18-2017, 01:02 PM   #4
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Default Re: New ETCS, Temp is at 215

3M solder-n-seal butt connectors are the easiest thing to use for wire splices. They have solder and flux built in. When heated the solder melts joining the wires. The adhesive lining of the heat shrink also melts so when the shrinking occurs the tubing get permanently fused to the wire insulation. A waterproof and strain relieved joint results.

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Old 09-18-2017, 02:22 PM   #5
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Default Re: New ETCS, Temp is at 215

Quote:
Originally Posted by Ionizen View Post
Temp was at 215 after a 15 min city commut with temp gauge at 1/2. This was the first I have monitored temp with this app but based off the temp gauge this is the high temp the car runs normally.

If this is an acceptable temp range I'd rather leave well enough alone.
15 minutes in a city means a lot of speeds below ~45 mph; you're still at a temp range below where your fan would turn on. At hwy speeds, you're more likely to see temps in the 205~210 range as you have more cooling air (again, depending on conditions - summer through Death Valley doesn't give you as much cooling air as winter in Nunavut, Canada, highway or not )

Quote:
Originally Posted by OldNuc
Saturn 96 model year and newer temperature gauge reading vs. actual temperature as read from the ECTS.

GAUGE Reading..........ECTS Temperature..........Event
.....1/4.................................150 F
.....3/8.................................192 F...................T-stat cracks open
.....3/8+...............................195 F
.....1/2.................................212 F
.....9/16...............................221 F...................Fan ON
.....7/16...............................210 F...................Fan OFF coast to 205 F

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Old 09-18-2017, 03:43 PM   #6
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Default Re: New ETCS, Temp is at 215

after i converted to evans coolant, and got a reservoir cap with less PSI, mine read at or a hair below half, but when i check with scanner says between 201-205

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Old 09-18-2017, 05:31 PM   #7
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Default Re: New ETCS, Temp is at 215

Quote:
Originally Posted by Claybury View Post
3M solder-n-seal butt connectors are the easiest thing to use for wire splices. They have solder and flux built in. When heated the solder melts joining the wires. The adhesive lining of the heat shrink also melts so when the shrinking occurs the tubing get permanently fused to the wire insulation. A waterproof and strain relieved joint results.
Proper install of this part requires a quality heat gun and some experience installing them properly. They are not usually sourced from a parts store either. Also not low cost. Solder, heat shrink, and a low cost 150 watt soldering gun is easier and lower cost for most owners.

A heat gun capable of installing these is also capable of very expensive collateral damage.

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Old 09-18-2017, 05:35 PM   #8
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Default Re: New ETCS, Temp is at 215

Quote:
Originally Posted by Ionizen View Post
Several months ago I replaced my T-stat with the 195 Stant and replaced the ETCS on my 2001 SL1. Temp was running at 1/4 mark. After the change the temp registered just below or at the half mark which sounded at bit high. Recently got a wireless OBD2 with dashcommand app and temp is reading around 215.

What effect will this have long term? I'm guessing I need the replace the connector. Saw an OEM ECTS with connector for about $50 shipped. Never made any electrical repairs before. Would I need a heat gun with shrink wrap or are there other options to do it correctly? Thanks in advance.
Your indicated temp is likely correct for your conditions. Normal operating temp is between 195F and 222F, the 215 will be at the 1/2 mark on the gauge or a needle width above it but still touching it.

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