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#4463836 - 07/19/17 10:53 AM Service Update - Chuggle Drive Quality
01rangerxl Offline

Registered: 04/08/06
Posts: 9246
Loc: Birmingham, AL
When I saw an RO print off with this description today, I thought the service writers were just coming up with their own descriptions again, but nope, this is straight from the horse's mouth...


#17249: Service Update - Chuggle Drive Quality - (Jul 17, 2017)

Chevrolet Silverado LD 2017 L83/MYC
GMC Sierra LD 2017 L83/MYC

Incidental engine combustion events, can occur at certain temperature, loading conditions and throttle positions. When limited or zero torque converter slip is commanded during these events a “chuggle” sensation may occur.

Reprogram the transmission control module.

Not sure what exactly a "chuggle sensation" is. crackmeup
2002 Ford Ranger XLT | 3.0 V6 / 5-Speed Automatic / 2WD | 211K miles
1994 Ford Ranger STX | 4.0 V6 / 5-Speed Manual / 4X4 | 198K miles

#4463891 - 07/19/17 11:43 AM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
Linctex Offline

Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Just another word for "shudder"

"Shudder" problems occurring at torque converter "lock-up" have been going on for 30+ years.
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

#4463990 - 07/19/17 01:21 PM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
AirgunSavant Offline

Registered: 07/22/15
Posts: 3772
Loc: MD
A drinker came up with that wink

#4464059 - 07/19/17 02:16 PM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
Ethan1 Offline

Registered: 12/29/14
Posts: 1632
Loc: 'murica
Chug + struggle = chuggle?

#4464079 - 07/19/17 02:57 PM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
Rand Offline

Registered: 08/20/03
Posts: 12638
Loc: NE,Ohio
Absurd Chest Hair + snuggle = Chuggle
2017 Jeep Cherokee Trailhawk V6

#4464200 - 07/19/17 04:51 PM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
HerrStig Offline

Registered: 08/24/11
Posts: 9560
Loc: Boston, MA

"They ALL do that, the factory "knows" about it and they'll fix it "next year"

#4473375 - 07/28/17 08:40 PM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
PeterPolyol Offline

Registered: 03/06/16
Posts: 1345
Loc: toronto
"Chuggle"! That word was such a joke for us in high school auto shop after seeing it in literature

#4473662 - 07/29/17 07:02 AM Re: Service Update - Chuggle Drive Quality [Re: 01rangerxl]
L_Sludger Offline

Registered: 10/04/09
Posts: 3947
Loc: Ohio
The term 'chuggle' is so absurd it reeks of something that emanates from under the closed door of a corporate board meeting in progress.
too many cars and oil combinations to list in 150 characters or less