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Maintenance & Fluids Discuss products, techniques, intervals, and fluids for maintaining your GM truck including oil and oil additives, fuel and fuel additives, alternative fuels (Bio-D, SVO, WVO), filters, grease, and maintenance specific tools. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 04-03-2019, 02:21 PM   #1 (permalink)
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Transmission Fluid Specs

Going to drain and refill my transmission fluid with Mobil Delvac 1 ATF. CHanging spin on filter too

They recommend 7.4 quarts but I read somewhere that for the shallow pan to refill with 9 quarts?

Which is it? 7.4 or 9?

2009 2500 HD Crew Cab 4WD LMM, EFI Live -by Idaho Rob, S&B Air Filter and intake, Flo Pro DPF Delete Exhaust, Edge CTS 2 w/EGT Probe, Nicktane Fuel Filter Adapter with CAT filter, EGR blocker plate, B&W turnover gooseneck, 265/75-16 Stock Rims.
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Old 04-03-2019, 03:31 PM   #2 (permalink)
Glow Plug
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fill it until it's in the crosshatch on the dipstick?

1993 K3500- 4x4, single cab/long bed, single rear wheels, 4.10 rear end, F vin, Nv4500 manual, factory red interior.

Gone but not forgotten: 2001 silverado 2500hd CC/SB, 4x4, 6.0 vortec, 229k miles when I traded it.
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Old 04-04-2019, 08:59 AM   #3 (permalink)
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7.4 quarts
2007 Classic GMC D/A Ext. cab,s.b.,built 11-2006,Di*Priol boost and pyro gauges,GT3794VA turbo, Edge Insight CTS,Garmin GPS,MBRP catback exhaust,300* hose permanent fix tranny cooling lines,M/A pump rub kit,Prodigy bc,Reese 16,000 lb. slider 4-way tilt hitch.Luverne SS side steps,Truxedo bed cover, Duraflaps all 4 corners, Michelin LTX M/S 2 tires and Bilstein shocks.
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