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Oil drain plug size

TraciM

By TraciM
in Troubleshooting & Recalls

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TraciM Enthusiast

TraciM

Posted
Posted

Well I’ve never  listened to men,and glad I didn’t. My 2017 Silverado 1500 4.3 V6 has a 15mm (head size) drain plug. Not a 12mm as everyone seems to think. Rat bastards also upped oil capacity to 6 qts-so you gotta buy a 5qt plus another quart.You’re better off buying 2- 5 quart jugs for the money. Speaking of JUGS...if mine were any bigger I wouldn’t be able to slide under truck!

  • Haha 1
michigan2500hd Senior Enthusiast

michigan2500hd

Posted
Posted (edited)

Lol!.. Not sure what to do with that info on the jugs ?.. However yes the 2014-18 4.3l takes 6 quarts, 8 quarts for the V8's. 

 

Edited by michigan2500hd
Incomplete
Joe's 2017 Silverado Enthusiast

Joe's 2017 Silverado

Posted
Posted (edited)

A women who does her own servicing on her truck, I am truly impressed and if you have a significant other what a lucky person. If not, you single,...LOL.  Don't always believe us know it all backyard mechanics type guys or even some dumb ass parts guys, always check reliable sources for proper info and double check. :thumbs:

Edited by Joe's 2017 Silverado
HeySkippyDog Senior Enthusiast

HeySkippyDog

Posted
Posted
Well I’ve never  listened to men,and glad I didn’t. My 2017 Silverado 1500 4.3 V6 has a 15mm (head size) drain plug. Not a 12mm as everyone seems to think. Rat bastards also upped oil capacity to 6 qts-so you gotta buy a 5qt plus another quart.You’re better off buying 2- 5 quart jugs for the money. Speaking of JUGS...if mine were any bigger I wouldn’t be able to slide under truck!
Prove it!

Sent from my SAMSUNG-SM-J727A using Tapatalk

  • Haha 2
1SLOW1500 Senior Enthusiast

1SLOW1500

Posted
Posted

I am still tempted to get one of those quick drains. I just like the magnetic tip bolt. 

DIY oil I like a good 7quarts to start with then a week later I get back to it and at 1/2 quart additives when another week later 1/2 quart. Then pray it all stays in the engine. 

garagerog Enthusiast

garagerog

Posted
Posted
1 hour ago, HeySkippyDog said:

Prove it!

Sent from my SAMSUNG-SM-J727A using Tapatalk
 

Or like we've all seen in these automotive forums, pictures would help, or the more crass one, pictures, or it didn't happen. :D

MikeNH Senior Enthusiast

MikeNH

Posted
Posted

No idea why anyone would say the drain plug was 12mm. GM has used 15mm since I started working on cars almost 20 years ago. The new engines all hold more oil. The V8 holds 8 when they were 6 quarts for ages. 

  • Like 2
TraciM Enthusiast

TraciM

Posted
  • Author
Posted

Yeah I know. Just googled size and most posts were stating 12mm? I have an equinox which was 15mm too-and of course the book doesn’t give you specs ,just capacities. I’ve been working on cars since I was about 15-so 45 years of experience. This old broad is still wrenchin’ ! Thanks for the post !

TraciM Enthusiast

TraciM

Posted
  • Author
Posted
1 hour ago, garagerog said:

Or like we've all seen in these automotive forums, pictures would help, or the more crass one, pictures, or it didn't happen. :D

Prove what? That it’s 15mm? I don’t have pictures of the sun coming up every day-but I’m pretty sure it happens ...

  • Haha 1
BigBlueLB756 Senior Enthusiast

BigBlueLB756

Posted
Posted

Sorry to be a bubble-buster, but don't confuse bolt head size with bolt THREAD size.

https://www.ebay.com/b/Oil-Pans-for-2017-Chevrolet-Silverado-1500/38657/bn_7063101279?Engine=4.3L 262Cu. In. V6 FLEX OHV Naturally Aspirated&Engine - Liter_Display=4.3L&Submodel=WT&Trim=WT Standard Cab Pickup 2-Door&maspect=contextType%3ACAR_AND_TRUCK

 

And NEVER try to force something in where it won't go comfortably.  Get some ramps, too.

aseibel Senior Enthusiast

aseibel

Posted
Posted
11 hours ago, MikeNH said:

No idea why anyone would say the drain plug was 12mm. GM has used 15mm since I started working on cars almost 20 years ago. The new engines all hold more oil. The V8 holds 8 when they were 6 quarts for ages. 

My 2004 grand am v-6 has a 13 mm oil plug. There's all kinds of kinds.

BigBlueLB756 Senior Enthusiast

BigBlueLB756

Posted
Posted

Oh, my.

https://www.ebay.com/itm/Single-Pack-Oil-Drain-Plug-Pilot-Point-W-Inset-Gasket-M12-1-75-Head-Size-13Mm/232410316739?epid=1172722465&hash=item361cbbffc3%3Ag%3A4vsAAOSwxxdZacge&fits=Year%3A2004|Model%3AGrand+Am|Submodel%3AGT|Engine+-+Liter_Display%3A3.4L|Make%3APontiac|Trim%3AGT+Sedan+4-Door|Engine%3A3.4L+207Cu.+In.+V6+GAS+OHV+Naturally+Aspirated

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