74-C20 tranny crossmember - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ironwood · 01-27-2003, 02:34 AM

I have a problem with my tranny crossmember being in the way of the rear tranny pan bolts. Is this because it is a 3/4 ton? I have owned a '79 blazer 4x4 (was stolen

)and I don't remember that cross member being in the way. Oh by the way my 74 is a 2wd. Any help? maybe one of you guys could crawl under your 1/2 ton trucks to see if you can get to your rear bolts

gchemist · 01-27-2003, 02:35 AM

Same here for my 700R4. I can't get to the back four bolts.

ironwood · 01-27-2003, 02:39 AM

So I guess the changing of the tranny fluid and filter is a weekend job when you can unbolt the crossmember and get to them ? What have you found to be the easiest way to change the filter/tranyy fluid?

*rustedchevy* · 01-27-2003, 02:56 AM

undo the tranny mount and jeck up tranny back end and block of wood under it

ironwood · 01-27-2003, 03:21 AM

So your saying I don't have to unbolt the crossmember from the frame? I can get a wrench on the bolt over the crossmember?

1974ChevyC10 · 01-27-2003, 06:40 AM

i went through this on my 74 1/2 ton.to get to the back bolts i needed to jack the tranny off of the crossmember,used a wobbly extension to get to the bolts then lower it back down and the rest were easy to get to.its really not that hard to do.i thought it would be but it proved differently.

ironwood · 01-27-2003, 06:18 PM

Thanks for the help.

01-27-2003, 02:34 AM	#1
ironwood $640 truck// doesn't run Join Date: Jan 2003 Location: Buckley,Wa Posts: 122	74-C20 tranny crossmember I have a problem with my tranny crossmember being in the way of the rear tranny pan bolts. Is this because it is a 3/4 ton? I have owned a '79 blazer 4x4 (was stolen )and I don't remember that cross member being in the way. Oh by the way my 74 is a 2wd. Any help? maybe one of you guys could crawl under your 1/2 ton trucks to see if you can get to your rear bolts

01-27-2003, 02:35 AM	#2
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Same here for my 700R4. I can't get to the back four bolts. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

01-27-2003, 03:21 AM	#5
ironwood $640 truck// doesn't run Join Date: Jan 2003 Location: Buckley,Wa Posts: 122	So your saying I don't have to unbolt the crossmember from the frame? I can get a wrench on the bolt over the crossmember? __________________ 74 C-20 LWB camper special stock350/350 53 Chevy 1/2 ton- in California, where the rust is not. Ready for some LOVE!!!

01-27-2003, 06:40 AM	#6
1974ChevyC10 Overworked and Underlaid Join Date: May 2002 Location: Flagstaff,Arizona Posts: 1,279	i went through this on my 74 1/2 ton.to get to the back bolts i needed to jack the tranny off of the crossmember,used a wobbly extension to get to the bolts then lower it back down and the rest were easy to get to.its really not that hard to do.i thought it would be but it proved differently. __________________ I'd rather push a Chevy than drive a Ford The Beast-1978 C10 LWB Red-1978 C10 LWB (Uncle Mike)Michael Henry Millett 11/5/1957 to 03/08/2012 Gone but will never be forgotten-RIP (Uncle Chuck)Charles Manning Gulbronsen Sr 1956-2012 Taken from us to soon but you will live on in our hearts-RIP

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01-27-2003, 02:39 AM	#3
ironwood $640 truck// doesn't run Join Date: Jan 2003 Location: Buckley,Wa Posts: 122	So I guess the changing of the tranny fluid and filter is a weekend job when you can unbolt the crossmember and get to them ? What have you found to be the easiest way to change the filter/tranyy fluid?

01-27-2003, 02:56 AM	#4
rustedchevy Account Suspended Join Date: Jan 2003 Location: il Posts: 115	undo the tranny mount and jeck up tranny back end and block of wood under it

01-27-2003, 06:18 PM	#7
ironwood $640 truck// doesn't run Join Date: Jan 2003 Location: Buckley,Wa Posts: 122	Thanks for the help.



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