Diagram for a propotioning valve - The 1947 - Present Chevrolet & GMC Truck Message Board Network

68jimmy · 08-09-2006, 01:45 PM

Does anyone have a diagram of a proportioning valve for a 72? I removed the large fitting on the rear of the valve and the spring pressure popped out 3 pieces

I need to re-assemble it but I'm not quite sure of the order in which to put the parts back in... Any help appreciated!

BTW: It is a disc/drum valve...

68jimmy · 08-09-2006, 04:57 PM

Ttt

Green Machine · 08-09-2006, 10:29 PM

Just had one of mine apart a few weeks ago to clean out some gunk and get freed up. Can you post a pic of the parts, can't describe assembly order from memory right now.

68jimmy · 08-10-2006, 09:56 AM

Here are the pieces that popped out when I removed the rear fitting... So if you imagine the prop valve is on the exteme left do I have the order of the pieces correct?

Thanks!

Green Machine · 08-10-2006, 11:54 AM

Sorry - That looks quite a bit different from the one I had apart, since this is a safety related item, I would rather not guess how that one goes together.

08-09-2006, 01:45 PM	#1
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	Diagram for a propotioning valve Does anyone have a diagram of a proportioning valve for a 72? I removed the large fitting on the rear of the valve and the spring pressure popped out 3 pieces I need to re-assemble it but I'm not quite sure of the order in which to put the parts back in... Any help appreciated! BTW: It is a disc/drum valve... __________________ 78 C10 LWB Super Cheyenne Last edited by 68jimmy; 08-09-2006 at 01:46 PM.

08-09-2006, 04:57 PM	#2
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	Re: Diagram for a propotioning valve Ttt __________________ 78 C10 LWB Super Cheyenne

08-09-2006, 10:29 PM	#3
Green Machine Senior Member Join Date: Jul 2004 Location: Estherville, Iowa Posts: 3,371	Re: Diagram for a propotioning valve Just had one of mine apart a few weeks ago to clean out some gunk and get freed up. Can you post a pic of the parts, can't describe assembly order from memory right now. __________________ 1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 08-09-2006 at 10:29 PM.

08-10-2006, 09:56 AM	#4
68jimmy Registered User Join Date: Dec 2003 Location: albuquerque Posts: 431	Re: Diagram for a propotioning valve Here are the pieces that popped out when I removed the rear fitting... So if you imagine the prop valve is on the exteme left do I have the order of the pieces correct? Thanks! Attached Images __________________ 78 C10 LWB Super Cheyenne

08-10-2006, 11:54 AM	#5
Green Machine Senior Member Join Date: Jul 2004 Location: Estherville, Iowa Posts: 3,371	Re: Diagram for a propotioning valve Sorry - That looks quite a bit different from the one I had apart, since this is a safety related item, I would rather not guess how that one goes together. __________________ 1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0

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