How to torque rear suspension - Team Camaro Tech
Brakes, Suspension & Steering Conversion questions, Steering & Handling

 
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post #1 of 4 (permalink) Old Jul 25th, 03, 03:22 PM Thread Starter
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Join Date: Mar 2002
Location: Alta Loma, CA USA
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Question

I installed new rear leafs and was wondering how do I get access to the bolt heads when using a torque wrench. I have the Hotchkis leafs, so can I torque the front rubber bushings w/o weight of car on them, but torque the rear poly's with weight of the car on them? Thanks for all your help.

Patrick
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post #2 of 4 (permalink) Old Jul 26th, 03, 11:27 AM
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Mike
 
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Location: Naperville, IL
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I used crows feet on the torque wrench and recalculated the necessary torque due to the additional length. It was tight on the front rubber bushings. One click, then remove and reposition the wrench. It did the trick.

I would not torque the front bushing without the weight of the car on it.

Murph

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post #3 of 4 (permalink) Old Jul 27th, 03, 01:20 AM Thread Starter
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Thanks Murph,
Do you happen to remember what you ended up torquing the bolts to?

Patrick
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post #4 of 4 (permalink) Old Jul 27th, 03, 04:51 AM
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Mike
 
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Front spring eye: 65-80 ft-lbs
Front spring eye bracket to frame: 20-30 ft-lbs
Spring perch (u-bolts): 35-45 ft-lbs
Rear spring shackle: 40-60 ft-lbs
Upper shock nut: 60-120 in -lbs
Upper shock bracket bolts: 100-140 in -lbs
Lower shock bolt: 35-55 ft-lbs

Equation for calculating new torque using extended torque wrench (with crows foot):

G = (L*T)/(L+E)

G = new torque value
L = torque wrench length from center of handle to center of drive
T = original torque desired
E = Amount of extended length (center of crow foot drive to center of crow foot.

All the torque values are right out of the factory assembly manual. This is a very useful tool.

Murph

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