Transfer Case check plug on my '87? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

TwoFiftyShifter · 08-13-2009, 07:52 AM

I just bought my first 4x4 this week, and I checked the trany and axle fluids, but I'm not sure how to check the tcase, and not sure of the location of the plug..... And it takes ATF, correct?

James McClure · 08-13-2009, 08:56 AM

Hello to a fellow New Yorker. There is a large plug on the back of the transfer case. I think it's 1.25", but I wouldn't swear to it. Transfer case uses ATF. Where is Montgomery? jim

ElGracho · 08-13-2009, 02:05 PM

Use the top plug to check the oil level. You need a 1 3/16" socket or wrench to get it out.

This picture is a Dodge, but it's the same Tcase.

TwoFiftyShifter · 08-13-2009, 08:47 PM

Montgomery is 2 hrs downstate from you, near newburgh.

Ill check the tcase fluid tomorrow, thanks guys. Just found out from driving it around that the leak between the transfer case and tranny is a BIG problem. I need to fix that ASAP. I'll look into what parts I'll need, the guy told me the tube that connects the two is cracked.... has anyone dealt with anything like that?

08-13-2009, 07:52 AM	#1
TwoFiftyShifter Registered User Join Date: Nov 2008 Location: Gwinnett GA Posts: 1,803	Transfer Case check plug on my '87? I just bought my first 4x4 this week, and I checked the trany and axle fluids, but I'm not sure how to check the tcase, and not sure of the location of the plug..... And it takes ATF, correct? __________________ 1982 K10 SWB 1987 V20 - Sold - Doh!

08-13-2009, 08:56 AM	#2
James McClure One shot, one kill. Join Date: Dec 2007 Location: Saratoga Springs NY Posts: 859	Re: Transfer Case check plug on my '87? Hello to a fellow New Yorker. There is a large plug on the back of the transfer case. I think it's 1.25", but I wouldn't swear to it. Transfer case uses ATF. Where is Montgomery? jim __________________ 1984 K20 350M engine with 465,000 miles. Well, it's finally done!! Almost 2 years of work, but it was really worth the effort. Little stuff left to do is mount winch, wet sand & buff out and build belly pan\running boards. Body work takes lots and LOTS of beer!!!! God, Guts and Guns made America and God, Guts and Guns will preserve it! The worst thing you could do is get into my sights, but that don't matter, you'll never know it, cause you'll never hear the shotJim or Paladin whichever you choose.

08-13-2009, 02:05 PM	#3
ElGracho Gentleman Jim Driver Join Date: Nov 2002 Location: Poulsbo, WA Posts: 1,553	Re: Transfer Case check plug on my '87? Use the top plug to check the oil level. You need a 1 3/16" socket or wrench to get it out. This picture is a Dodge, but it's the same Tcase. __________________ Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed

08-13-2009, 08:47 PM	#4
TwoFiftyShifter Registered User Join Date: Nov 2008 Location: Gwinnett GA Posts: 1,803	Re: Transfer Case check plug on my '87? Montgomery is 2 hrs downstate from you, near newburgh. Ill check the tcase fluid tomorrow, thanks guys. Just found out from driving it around that the leak between the transfer case and tranny is a BIG problem. I need to fix that ASAP. I'll look into what parts I'll need, the guy told me the tube that connects the two is cracked.... has anyone dealt with anything like that? __________________ 1982 K10 SWB 1987 V20 - Sold - Doh!

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