Transmission Thermostat Delete Pros vs. Cons

[Grumpy Bear]

6 hours ago, BlaineBug said:

I'm not sure what setup it has for cooler routing.  At any rate I'll check my scan tool for water temperatures.

 

I noticed your ScanGaugeII displays "water temp" AND "engine operating temp"?  Where is the second reading taken?

 

The one marked EOT is Engine Oil Temperature. 

 

If your transmission is air to air only then more cooling, if you need it, is via a second air to air or a larger one in place of. 

[BlaineBug]

According to Torque Lite, coolant temperature was ranging anywhere from 190-197' F (depending on engine load, idling, cruising, etc.) when the dash gauge was reading ~210.  I was hoping for more accuracy given all of the bells and whistles, especially with a digital trans temp readout on the DIC.  Torque Lite also doesn't display transmission temperature or oil temperature unless there's a special method to add these gauges I am not aware of, so I can't verify if the DIC display would match a scan tool or not.

 

Intake air temperature was reading around 100' and ambient outdoor temperatures were around 80'.

 

Unfortunately I didn't check the coolant temperature with my tool before installing the alternate thermostat, so I have no data to compare my findings with.

[Grumpy Bear]

5 hours ago, BlaineBug said:

According to Torque Lite, coolant temperature was ranging anywhere from 190-197' F (depending on engine load, idling, cruising, etc.) when the dash gauge was reading ~210.  I was hoping for more accuracy given all of the bells and whistles, especially with a digital trans temp readout on the DIC.  Torque Lite also doesn't display transmission temperature or oil temperature unless there's a special method to add these gauges I am not aware of, so I can't verify if the DIC display would match a scan tool or not.

 

Intake air temperature was reading around 100' and ambient outdoor temperatures were around 80'.

 

Unfortunately I didn't check the coolant temperature with my tool before installing the alternate thermostat, so I have no data to compare my findings with.

 

Thermostats have a tolerance just like any other dimension or specification. Normally +/- 3 F. Some actually specify something like +3/-0F. Then there is response sensitivity. Because it cannot anticipate as a mechanical device, it is reactive and subject to its component's construction. These are brass so sensitivity is a few degrees. It takes and gives heat quickly. Some are Stainless, which give and take slowly. They have triple or better the response sensitivity. 

 

Yours looks on target. And you do have a point of reference. The pill spec. 90C. You can safely assume the 207 marking to be equally accurate. Congratulations. You just dropped water temperature a bit over 15 F. Your oil temperature will be with a few degrees in response. Pretty sure you still have a radiator tank supplied oil cooler. 

 

FYI, my experience would tell you the DIC digital transmission temperature reading will be withing 1F of a OBDII tools reading. It and the voltmeter seem about perfect. 

 

Scan Gauge has a new III model that will automatically 'find' and "load" every address that has a PID in the ECU. No more hand loading!! YIPE!! 

[BlaineBug]

10 minutes ago, Grumpy Bear said:

 

Thermostats have a tolerance just like any other dimension or specification. Normally +/- 3 F. Some actually specify something like +3/-0F. Then there is response sensitivity. Because it cannot anticipate as a mechanical device, it is reactive and subject to its component's construction. These are brass so sensitivity is a few degrees. It takes and gives heat quickly. Some are Stainless, which give and take slowly. They have triple or better the response sensitivity. 

 

Yours looks on target. And you do have a point of reference. The pill spec. 90C. You can safely assume the 207 marking to be equally accurate. Congratulations. You just dropped water temperature a bit over 15 F. Your oil temperature will be with a few degrees in response. Pretty sure you still have a radiator tank supplied oil cooler. 

 

FYI, my experience would tell you the DIC digital transmission temperature reading will be withing 1F of a OBDII tools reading. It and the voltmeter seem about perfect. 

 

Scan Gauge has a new III model that will automatically 'find' and "load" every address that has a PID in the ECU. No more hand loading!! YIPE!! 

 

I only ever used one custom PID for transmission fluid temperature in my Crown Victoria.  I also bought a second cable so I could easily remove the device for performing external diagnostics, yet have the original cord tucked away nicely in my dash for a seamless OCD-esque installation in my vehicle.

 

However when I sold that car I sold the scangauge shortly thereafter and bought the ELM327 Bluetooth dongle for diagnostics.

[mikeyk101]

This is my go to custom screen on Torque Pro and just a sample of what you can monitor.

[BlaineBug]

10 hours ago, mikeyk101 said:

This is my go to custom screen on Torque Pro and just a sample of what you can monitor.

 

EDIT - Torque Lite has a full list of custom PIDs for General Motors already compiled, although you can still add your own custom PIDs as well.  These are buried in the settings and you have to add them in order to be able to insert them as a gauge.  I am not seeing an oil temperature PID though already installed, unless you might happen to know of the custom variables to enter for that gauge?

Edited September 7, 2023 by BlaineBug

[mikeyk101]

15 hours ago, BlaineBug said:

 

EDIT - Torque Lite has a full list of custom PIDs for General Motors already compiled, although you can still add your own custom PIDs as well.  These are buried in the settings and you have to add them in order to be able to insert them as a gauge.  I am not seeing an oil temperature PID though already installed, unless you might happen to know of the custom variables to enter for that gauge?

You may have to scroll down quite a bit but it is there on mine.

 

[BlaineBug]

18 hours ago, mikeyk101 said:

You may have to scroll down quite a bit but it is there on mine.

 

 

Your display looks vastly different than the one I am seeing in Torque Lite.

[mikeyk101]

Ah, that could be it. I have the Torque Pro. It was a paid app but for the measly $4.95 one time cost, I felt it was worth it for what I got.

[BlaineBug]

6 hours ago, mikeyk101 said:

Ah, that could be it. I have the Torque Pro. It was a paid app but for the measly $4.95 one time cost, I felt it was worth it for what I got.

Also my transmission temperature PID is not working - the PID code from the preloaded custom GM PIDs is identical to the PID I found online for creating a custom gauge.

[BlaineBug]

[mikeyk101]

3 hours ago, BlaineBug said:

There are Method 1, Method 2, and Method 3 under GM specific choices for the Trans Fluid Temperatures. I don't recall which one I used but it does match the DIC display for Trans Fl temp.

Edited September 12, 2023 by mikeyk101

[BlaineBug]

6 minutes ago, mikeyk101 said:

There are Method 1, Method 2, and Method 3 under GM specific choices for the Trans Fluid Temperatures. I don't recall which one I used but it does match the DIC display for Trans Fl temp.

I see nothing of the sorts in my app.

[mikeyk101]

Did you add the predefined sensors in settings on main page of app? You need to click on "Manage extra PIDs/Sensors" and the click on the 3 dots on upper right and then select "add predefined set" and finally click on the the predefined sensors for "Pontiac / GM / Opel / Vauxhall" and all the extra GM PID's should show up

 

 

 

 

 

 

 

[BlaineBug]

Yes, I did.  PID for transmission temperature is 221940.