Help me ID my transmission - The 1947 - Present Chevrolet & GMC Truck Message Board Network

crawdad · 10-30-2005, 10:49 PM

Is there a way to ID a transmission from the options sheet inside the glove box? It's too dark and cold out right now to go climbing under the truck to look at the transmission oil pan and modulator location, so I was hoping the options sheet might tell me what it says. The option sheet number is "1MX1". The VIN identifies it as just a 3 speed. Doesn't say what kind. I'm hoping for a T400, but I suspect its a T350 (that's ok too

) Anyway, if you know how to ID from the numbers, I would appreciate it. Thanks.

C-10volvo · 10-30-2005, 11:28 PM

http://www.73-87.com/7387garage/drivetrain/transpan.gif
there ya go

Slonaker · 10-31-2005, 01:52 AM

http://www.73-87.com/chevy_ids/rpomenu2.htm

This is a listing of the RPO codes. Nothing matches up, but MX is part of most of the transmission codes. MX1 does not match up to a transmission.

Slonaker

10-30-2005, 10:49 PM	#1
crawdad Senior Member Join Date: Sep 2004 Location: Georgia Posts: 614	Help me ID my transmission Is there a way to ID a transmission from the options sheet inside the glove box? It's too dark and cold out right now to go climbing under the truck to look at the transmission oil pan and modulator location, so I was hoping the options sheet might tell me what it says. The option sheet number is "1MX1". The VIN identifies it as just a 3 speed. Doesn't say what kind. I'm hoping for a T400, but I suspect its a T350 (that's ok too ) Anyway, if you know how to ID from the numbers, I would appreciate it. Thanks. __________________ 2012 Silverado LT 1500, 5.3, 6 speed auto '86 SWB C-10 Silverado

10-30-2005, 11:28 PM	#2
C-10volvo Registered User Join Date: May 2003 Location: Lake Oswego, Oregon Posts: 1,028	Re: Help me ID my transmission http://www.73-87.com/7387garage/drivetrain/transpan.gif there ya go __________________ Ken Morgan For fun: 1964 Volvo 122 For slow: 1984 Chevrolet C-10 For everything else: 1997 BMW M3 Last edited by C-10volvo; 10-30-2005 at 11:28 PM.

10-31-2005, 01:52 AM	#3
Slonaker Insert Witty Text Here Join Date: Oct 2002 Location: San Antonio, TX Posts: 3,415	Re: Help me ID my transmission http://www.73-87.com/chevy_ids/rpomenu2.htm This is a listing of the RPO codes. Nothing matches up, but MX is part of most of the transmission codes. MX1 does not match up to a transmission. Slonaker __________________ '86 Chevy C10 (Sold 04/19/13 ) Stock '01 Silverado



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