clutch swap?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

griesel72 · 11-18-2003, 10:21 PM

I am doing a body swap, and need to know what to do to swap the clutch assm. from a 4 speed cab into a automatic cab?

Thanks for the help

David

**FRENCHBLUE72** · 11-18-2003, 10:34 PM

Cut a hole for the shifter???? I do not recall any difference's in the auto cab's and manual cab's ( I do not think there is a auto cab and manual cab) ... There is only a low hump and a high hump that is removable as far as I know?

griesel72 · 11-18-2003, 11:02 PM

I guess i need to clarify,

I want to swap the clutch assembly from under the dash of one cab to under the dash of a (now) automatic cab.

Do i just unbolt it, or is there a trick?

thanks

david

**FRENCHBLUE72** · 11-18-2003, 11:08 PM

O.k that make's sense. I am not 100% sure but I think they are the same pedal assembely just one with a clutch pedal. Should just be able to take out just the clutch pedal and swap it into the hole in an automatic assembley... Someone please correct me if I am wrong..

Huck · 11-19-2003, 10:12 AM

U is correct----the brake assembly does not need to be swapped out. Just carefully and slowely take the clutch pedal out of the old cab and install it into the new one. Becareful not to bugger up the shaft or the plastic sleves that go on the pivot shaft. Lube accordingly. Not a big job but a pain in that you got to get kind of kaddywhampas to remove and reinstall. Job a lot easier if you have the seats out of the cabs and the dash cluster out so you can see what you are doing.

teeitup · 11-19-2003, 10:27 AM

I've did that too, I took out the whole deal and put in the one from the 4 speed.

palallin · 11-19-2003, 11:51 AM

Do NOT try to pull the clutch pedal from the pedal hanger if it is the heavy-duty version. Identifier: the heavy duty housing has a VERY hefty spring that is BOLTED to the lower part of the clutch pedal arm and BOLTED to a bracket on TOP of the pedal hanger.

Remove the hanger as a whole with both pedals attached and swap it into the new cab. It requires unbolting your master cylinder (but not removing it) and the bolts that connect the hanger to the back of the dash. Also, remember to unhook the brake light switch harness connector.

After you unhook the through-the-firewall clutch rod, KEEP YOUR HANDS AWAY FROM THE LEVER IT WAS ATTACHED TO. When I tried to pull that lever (in an attempt to swap the clutch pedal from one cab to another), the heavy spring tripped, and there went part of my finger. After six months, it is still not fully healed (they were only able to sew back together the pieces I took them :-/ ).

Do NOT try to unbolt that spring while under the dash: it is under a LOT of tension. If you must remove it, put the hanger on the workbench and figure a way to keep the spring under tension and to let it off slowly after removing a bolt.

None of these issues applies to the lighter duty pedal hanger.

**CPNE** · 11-19-2003, 11:58 AM

Assuming the cabs are stripped (no column, guage cluster, etc) it would be easiest to swap the entire assembly - brake and clutch pedal from your donor - than to swap just the clutch pedal out. It's 4 nuts on the booster bracket, one nut/bolt on the booster rod, and one bolt up behind the cluster. My 2 cents

teeitup · 11-19-2003, 03:06 PM

Thats what I did Jeff!

bill8333 · 04-24-2007, 09:35 PM

Hello. I saw your post about the clutch pedal swap. My clutch pedal is a lot higher than my brake pedal, is this normal for a 1972 4x4.

Thanks Bill

11-18-2003, 10:21 PM	#1
griesel72 Senior Member Join Date: Apr 2003 Location: Howard, Kansas USA Posts: 1,997	clutch swap?? I am doing a body swap, and need to know what to do to swap the clutch assm. from a 4 speed cab into a automatic cab? Thanks for the help David __________________ 1969 K10 Custom 10 1997 Z71 2006 Volkswagen Jetta TDI 2006 King Ranch 1980 Wife

11-18-2003, 10:34 PM	#2
FRENCHBLUE72 PROJECT 7DEUCE Join Date: Dec 2002 Location: GRANTS PASS OR Posts: 21,590	Cut a hole for the shifter???? I do not recall any difference's in the auto cab's and manual cab's ( I do not think there is a auto cab and manual cab) ... There is only a low hump and a high hump that is removable as far as I know? __________________ GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P..

11-18-2003, 11:02 PM	#3
griesel72 Senior Member Join Date: Apr 2003 Location: Howard, Kansas USA Posts: 1,997	I guess i need to clarify, I want to swap the clutch assembly from under the dash of one cab to under the dash of a (now) automatic cab. Do i just unbolt it, or is there a trick? thanks david __________________ 1969 K10 Custom 10 1997 Z71 2006 Volkswagen Jetta TDI 2006 King Ranch 1980 Wife

11-18-2003, 11:08 PM	#4
FRENCHBLUE72 PROJECT 7DEUCE Join Date: Dec 2002 Location: GRANTS PASS OR Posts: 21,590	O.k that make's sense. I am not 100% sure but I think they are the same pedal assembely just one with a clutch pedal. Should just be able to take out just the clutch pedal and swap it into the hole in an automatic assembley... Someone please correct me if I am wrong.. __________________ GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P..

11-19-2003, 10:27 AM	#6
teeitup Just like to part out trucks!! Join Date: Nov 2001 Location: Meriden, Ks-North of Topeka 10 miles Posts: 27,396	I've did that too, I took out the whole deal and put in the one from the 4 speed. __________________ 67 Chev swb stepside 4x4 283 4 speed SOLD 72 blazer 4x4 4 speed Cheyenne 72 GMC swb 4x4 fleet 4 speed, original paint 1958 Cameo (one of 1405 built, it was my dads) 2020 chevy Apex 4x4 crew cab 1969 Z28 with the 302 1980 chevy swb 4x4 1964 chevell Malibu SS 1976 K20, sold new originally out of my dads chevy dealership Members that I've met, over 200 probably closer to 300 in the 12 years I've been on this site, everyone I met "It was a pleasure"

11-19-2003, 10:12 AM	#5
Huck Senior Member Join Date: Jun 2001 Location: Shelbyville, KY Posts: 3,269	U is correct----the brake assembly does not need to be swapped out. Just carefully and slowely take the clutch pedal out of the old cab and install it into the new one. Becareful not to bugger up the shaft or the plastic sleves that go on the pivot shaft. Lube accordingly. Not a big job but a pain in that you got to get kind of kaddywhampas to remove and reinstall. Job a lot easier if you have the seats out of the cabs and the dash cluster out so you can see what you are doing.

11-19-2003, 11:51 AM	#7
palallin Registered User Join Date: Jul 2002 Location: St. James, MO Posts: 1,239	Do NOT try to pull the clutch pedal from the pedal hanger if it is the heavy-duty version. Identifier: the heavy duty housing has a VERY hefty spring that is BOLTED to the lower part of the clutch pedal arm and BOLTED to a bracket on TOP of the pedal hanger. Remove the hanger as a whole with both pedals attached and swap it into the new cab. It requires unbolting your master cylinder (but not removing it) and the bolts that connect the hanger to the back of the dash. Also, remember to unhook the brake light switch harness connector. After you unhook the through-the-firewall clutch rod, KEEP YOUR HANDS AWAY FROM THE LEVER IT WAS ATTACHED TO. When I tried to pull that lever (in an attempt to swap the clutch pedal from one cab to another), the heavy spring tripped, and there went part of my finger. After six months, it is still not fully healed (they were only able to sew back together the pieces I took them :-/ ). Do NOT try to unbolt that spring while under the dash: it is under a LOT of tension. If you must remove it, put the hanger on the workbench and figure a way to keep the spring under tension and to let it off slowly after removing a bolt. None of these issues applies to the lighter duty pedal hanger. __________________ '69 Longstep K-10: 327/SM465/T-221/Closed Knuckle Dana44/12-bolt.

11-19-2003, 11:58 AM	#8
CPNE Resident Curmudgeon Join Date: Dec 1999 Location: NH Posts: 6,664	Assuming the cabs are stripped (no column, guage cluster, etc) it would be easiest to swap the entire assembly - brake and clutch pedal from your donor - than to swap just the clutch pedal out. It's 4 nuts on the booster bracket, one nut/bolt on the booster rod, and one bolt up behind the cluster. My 2 cents __________________ Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter Maybe I need to sell some of this crap Yet another Bozo with a sawz-all

11-19-2003, 03:06 PM	#9
teeitup Just like to part out trucks!! Join Date: Nov 2001 Location: Meriden, Ks-North of Topeka 10 miles Posts: 27,396	Thats what I did Jeff! __________________ 67 Chev swb stepside 4x4 283 4 speed SOLD 72 blazer 4x4 4 speed Cheyenne 72 GMC swb 4x4 fleet 4 speed, original paint 1958 Cameo (one of 1405 built, it was my dads) 2020 chevy Apex 4x4 crew cab 1969 Z28 with the 302 1980 chevy swb 4x4 1964 chevell Malibu SS 1976 K20, sold new originally out of my dads chevy dealership Members that I've met, over 200 probably closer to 300 in the 12 years I've been on this site, everyone I met "It was a pleasure"

04-24-2007, 09:35 PM	#10
bill8333 Registered User Join Date: Apr 2007 Location: Reno, NV Posts: 89	Re: clutch swap?? Hello. I saw your post about the clutch pedal swap. My clutch pedal is a lot higher than my brake pedal, is this normal for a 1972 4x4. Thanks Bill __________________ 1972 K-10 L/B 4x4 Matching #'s 350 4 speed from the factory. P/S P/B 1981 GMC 1/2 L/B 4x4 one owner truck. 4" lift 2004 Dodge Cummins Diesel 4x4 Q/C S/B 1986 Dodge D150 L/B 2WD



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