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03-09-2014, 05:12 PM
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#1
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Member
Join Date: Jun 2012
Location: Austin, Tx
Posts: 34
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Transmission temps on ScanGauge D
Needing to hear from ScanGauge users on similar engine and tranny models if transmission temps will appear on ScanGauge D if coach has a J1708 six pin connector?
Tranny temp on analog gauge is reading 210F after 40 minute run. And has been that way since we bought coach in 2012. Want to get digital temp before doing anything more for cooling.
I understand differences between Silverleaf vs ScanGauge. Just needing quick & inexpensive diagnosis.
Thanks in advance.
Mike
'06 Inspire 360 #51534
Cat C-9
Allison 3000MH
Attached Thumbnails
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'06, 36' CC Inspire 360 #51534
Cat C9
'11 Wrangler Unlimited
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'06, 36' CC Inspire 360 #51534
Cat C9
'11 Wrangler Unlimited
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03-09-2014, 05:22 PM
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#2
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Yes it will read that information, no matter what plug you use only 4 lines are
used for communications.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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03-09-2014, 06:00 PM
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#3
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Senior Member
National RV Owners Club
Join Date: Jun 2010
Posts: 4,581
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FYI I don't think the TFT readout on my scangaugeD has ever hit 200 and I do tow in hot weather. Don't know that four sure but seems like most often 140 to 160.
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Bob & Sandi, dogs Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2005 34 foot DolphinLX
If towing: a bright red 2016 Mini Cooper on a tow dolly.
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03-09-2014, 06:13 PM
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#4
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Quote:
Originally Posted by 1ciderdog
FYI I don't think the TFT readout on my scangaugeD has ever hit 200 and I do tow in hot weather. Don't know that four sure but seems like most often 140 to 160.
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Same for me I have a hard time getting to 140 unless pulling a steep hill
something is not right with OP's temps that high.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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03-12-2014, 04:55 PM
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#5
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Senior Member
Join Date: Feb 2012
Location: Baton Rouge, LA
Posts: 1,202
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My Scangauge D trans temperature gauge typically runs around 160-180 degrees. When pulling steep hils the temp will rise if the engine temp rises. The highest I have seen it read was 190 when the engine temp got to 210 degrees.
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Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue
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03-14-2014, 08:12 AM
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#6
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Senior Member
Country Coach Owners Club
Join Date: Jul 2009
Location: Sequim, WA
Posts: 1,421
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Allison Transmission Temperatures
Quote:
Originally Posted by Lowflyer
Needing to hear from ScanGauge users on similar engine and tranny models if transmission temps will appear on ScanGauge D if coach has a J1708 six pin connector?
***
I understand differences between Silverleaf vs ScanGauge.
***
'06 Inspire 360 #51534
Cat C-9
Allison 3000MH
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Mike,
It would be surprising to learn that the Scangauge D and Silverleaf presented different transmission temperatures. My Silverleaf and the factory installed TripTek show exactly the same numbers for all of their common read-outs. Analog gauge is another matter. It has a very coarse scale and and a limited range of movement. The actual temperature it is presenting is difficult to determine.
While our engines are different our transmissions are the same. My engine is 370 hp and the coach has a GVWR of 37,600 and am towing a 4,400 pound Cherokee. As a datapoint for reference, my engine temps generally run 175 to 180 and will approach 190 on a long pull.
The transmission generally runs about 5 degrees cooler or 170 to 175. One notable exception - when on an extended DOWNgrade, say 6% for more than a mile with the exhaust brake enabled, the transmission will get into the low 190's. Transmission temperature will also trend up if maneuvering at very low speed as when parking in a camp site but I've never seem more than 180 degrees in that situation.
FWIW
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Dave & Cathy, 2002 Country Coach Affinity, 42', #6103, CAT C12, Sold - Retired From RV'ing, Linux Mint
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03-15-2014, 06:17 AM
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#7
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Member
Join Date: Jun 2012
Location: Austin, Tx
Posts: 34
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Allison tranny temps
Thank you for the replies. All valuable information.
I'm afraid my original post was not very clear. I really had several questions and I kind of jumbled them together. Here's a cleaner list:
1. Is 210F tranny temp reading on the FACTORY gauge unusual for folks with same coach and powertrain as I have?
2. For folks that have a ScanGauge on the same coach and powertrain I have, does ScanGauge D pick up and display transmission temperature given the J1708 plug that it will be connected to under the dashboard?
3. for those of you that have a ScanGauge D: does the tranny temp on ScanGaugeD show a different tranny temp than your factory analog gauge?
Thanks,
Mike
2006 Country Coach Inspire
Cat C-9 engine with Allison 3000MH transmission
'11 Jeep Wrangler Unlimited Toad
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'06, 36' CC Inspire 360 #51534
Cat C9
'11 Wrangler Unlimited
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03-15-2014, 07:12 AM
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#8
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Senior Member
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
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Quote:
Originally Posted by Lowflyer
Thank you for the replies. All valuable information. I'm afraid my original post was not very clear. I really had several questions and I kind of jumbled them together. Here's a cleaner list: 1. Is 210F tranny temp reading on the FACTORY gauge unusual for folks with same coach and powertrain as I have? 2. For folks that have a ScanGauge on the same coach and powertrain I have, does ScanGauge D pick up and display transmission temperature given the J1708 plug that it will be connected to under the dashboard? 3. for those of you that have a ScanGauge D: does the tranny temp on ScanGaugeD show a different tranny temp than your factory analog gauge? Thanks, Mike 2006 Country Coach Inspire Cat C-9 engine with Allison 3000MH transmission '11 Jeep Wrangler Unlimited Toad
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The ScanGauge and Silverleaf will show the same values as they get their data from the engine ECM. I heard a very knowledgeable Cummins field engineer say the factory analog dash gauges were good for one thing. If they moved the engine was running.
Go ahead and buy a Silverleaf product. Use it every time you drive. It will give you a valuable education about you engine/transmission operation and make you a better driver.
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Steve Ownby
Full time since 2007
2003 Monaco Signature
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03-16-2014, 03:22 PM
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#9
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Member
Join Date: Jun 2012
Location: Austin, Tx
Posts: 34
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Tranny temps and scangauge d
I've done a lot of research on the Silverleaf and it sounds like a great and robust pruduct. Only downside for me - unless I missed it- is that it doesn't "play" on an iPad, correct? Does it play on other tablets?
Mike
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'06, 36' CC Inspire 360 #51534
Cat C9
'11 Wrangler Unlimited
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03-17-2014, 06:29 PM
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#10
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Member
Join Date: Jun 2012
Location: Austin, Tx
Posts: 34
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Tranny temp on scan gauge d
Just to close the loop on this subject: I installed a ScanGauge D today and took the coach for a drive. The tranny temp on the factory installed analog dash gauge was reading 10-15 degrees warmer than the after-market scan gauge d. These results leave me with less concern for the tranny temp. Thanks to all for your input.
Mike
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'06, 36' CC Inspire 360 #51534
Cat C9
'11 Wrangler Unlimited
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05-04-2014, 02:43 AM
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#11
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Senior Member
Join Date: May 2014
Posts: 120
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Analogue transmission gauges are usually connected to the oil outlet pipe from the transmission to the oil cooler. This is called converter out.
Digital displays read the transmission sump temperature broadcast by the ECU.
Converter out temperature will be higher than the sump temperature if the oil cooler is doing its job.
Analogue gauges are indicators and may not be too accurate. They give an indication of what the temperature is.
With all gauges and displays you need to learn what they normally read, and be able to spot when one is reading differently from normal.
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05-05-2014, 12:12 AM
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#12
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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Quote:
Originally Posted by Elictrix
Analogue transmission gauges are usually connected to the oil outlet pipe from the transmission to the oil cooler. This is called converter out.
Digital displays read the transmission sump temperature broadcast by the ECU.
Converter out temperature will be higher than the sump temperature if the oil cooler is doing its job.
Analogue gauges are indicators and may not be too accurate. They give an indication of what the temperature is.
With all gauges and displays you need to learn what they normally read, and be able to spot when one is reading differently from normal.
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Elictric; Welcome to irv2, great description, of gauge operation . Are you traveling in; or thinking of traveling to; the northern hemisphere?
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-20-2014, 12:19 PM
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#13
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Junior Member
Holiday Rambler Owners Club
Join Date: Apr 2014
Posts: 1
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I have a 2001 Endeavor. I installed a Scangauge D. So far, the only data that I am getting is the output voltage of the alternator, no temps for engine or trans. I have not yet set up fuel use and trending.
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08-15-2014, 09:51 AM
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#14
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Senior Member
Forest River Owners Club
Join Date: Apr 2014
Posts: 246
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I have a scan gauge d on my 1999 freightliner fl-60 with a 7.2 cat motor and a md3060 allison transmission, my truck weights about 13,000, the transmission has about 200 miles on it from the rebuild, my dash trans gauge reads about 190-200 deg F while bob tailing, the scan gauge reads 120 degs F while bob tailing, the engine temp is about 190 deg F, now with all that info should I be concerned about the 80 or so degs difference ?
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2007 Forest River fifth wheel toy hauler 385 RLTS, 1999 Freightliner FL-60 with Western Hauler bed, new 3126B CAT motor, new Allison MD3060 transmission, air ride rear suspension, air ride cab, air ride seats
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