Thought my truck was on fire - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rckdrummer · 11-04-2023, 08:42 PM

Hello all,

I have a 72' GMC K15 SWB with an automatic TH 350 and I installed a new kickdown cable on it today. Out on the road test, everything went great at first, but then suddenly there was white smoke coming into the cab from the 4x4 shift boot just after the second time kickdown was engaged. I pulled over expecting the worst, but by the time I jumped out with the fire extinguisher there was no more smoke, or evidence of any fire. I pulled the shifter boot off and again, no smoke or evidence of fire there either. It started right back up and ran fine the half mile drive back.

Has anyone else experienced this? Apologies in advance if I've left out any necessary context, I'm still pretty shooken up.

**dmjlambert** · 11-04-2023, 09:01 PM

I thought too much stuff's recent story about smoke and transmission in this other post was interesting. https://67-72chevytrucks.com/vboard/...33#post9240633

**'68OrangeSunshine** · 11-04-2023, 09:02 PM

Could ATF have spilled on your exhaust pipes?

**LockDoc** · 11-04-2023, 09:29 PM

-
What does your truck have for a rear gear ratio? Is your truck oily underneath around the bell housing and towards the rear?

LockDoc

11-04-2023, 08:42 PM	#1
Rckdrummer Registered User Join Date: Mar 2013 Location: Sparks,NV Posts: 1	Thought my truck was on fire Hello all, I have a 72' GMC K15 SWB with an automatic TH 350 and I installed a new kickdown cable on it today. Out on the road test, everything went great at first, but then suddenly there was white smoke coming into the cab from the 4x4 shift boot just after the second time kickdown was engaged. I pulled over expecting the worst, but by the time I jumped out with the fire extinguisher there was no more smoke, or evidence of any fire. I pulled the shifter boot off and again, no smoke or evidence of fire there either. It started right back up and ran fine the half mile drive back. Has anyone else experienced this? Apologies in advance if I've left out any necessary context, I'm still pretty shooken up.

11-04-2023, 09:01 PM	#2
dmjlambert Senior Member Join Date: Apr 2016 Location: Cypress, TX Posts: 3,894	Re: Thought my truck was on fire I thought too much stuff's recent story about smoke and transmission in this other post was interesting. https://67-72chevytrucks.com/vboard/...33#post9240633

11-04-2023, 09:02 PM	#3
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,536	Re: Thought my truck was on fire Could ATF have spilled on your exhaust pipes? __________________ Every 25 years I like to rebuild that 292, whether it needs it or not.

11-04-2023, 09:29 PM	#4
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,849	Re: Thought my truck was on fire - What does your truck have for a rear gear ratio? Is your truck oily underneath around the bell housing and towards the rear? LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

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