The block is attached to the Pitman arm gear that turns the steering system when it moves back and forth. However, if you are going to aggressively drive your Corvette or use it for autocross competition, install a front spring with a higher spring rate. Manifolds Slide the bushings onto the stabilizer bar and into place. 15, Upper Shock Mount Bolt When properly assembled, these power steering systems perform reliably. The lower control arm has also received new ball joints and new bushings. Assemble the spring plate and put it into a vise. If the hydraulic lines are not properly seated and tightened in the control valve and ram, they can leak. This is a manual steering application, which is why power steering components are not seen in this photo. Any accident damage or rust that has eaten through the frame has been cut out. If the threads engage the entire nut and you torqued to spec, you're good to go. After the clutches and side gears are installed, insert a thrust washer on each side of the unit. They start the process by disassembling the old parts. 30, Axle Shaft to Diff.. Side Yoke Pitman & Idler Arms for Chevrolet Corvette for sale | eBay In many ways, the camshaft is the command center of the engine. Chevrolet added optional power steering to the Corvette's underpinnings beginning in 1963, encompassing an engine-driven pump, pitman arm control valve, pressure and return hoses, and a power ram to provide assistance in turns. Torque The large gray carpet remnant makes the reassembly process more comfortable and dropped parts are more easily found. Great Prices. 50 Cylinder I just did mine, and I busted a nut with my breaker bar to get it to 150 like you did, and it looks like that. Use a 9/16-inch wrench to remove the four nuts that are located underneath the parking brake hardware. The control arms, spindles and springs should now be in place. There is one of each screwed to each sleeve so be careful and do not try to force a tie rod onto the new sleeve. These bump stops play a very important role in protecting the suspension in case you hit an unexpected bump too fast and the suspension bottoms out. When they have separated, remove the ball joint nut and pull the control arm out of the spindle. i just put agr box on and threads are just even with pitman and its tight. The old shaft protruded about 1/8" past the nut and the new one sticks out just a little past flush. Shocks lose their effectiveness slowly, so keep this mileage in mind when you are budgeting for maintenance. Everything was of excellent quality and fit just as it should. High Quality Products. Because the system is external, everything is easy to access. The two rear lower control arm attachments must also be securely welded to the frame. 23: Place the control arm in the press and install one bushing using a 1 5/16 socket to press the bushing into place. The kits include all of the necessary parts. Once the bolt is attached with the nut and washer, slowly lower the jack. 12: Now remove the retaining bolts and take the upper control arms out. The pump is connected to the power valve and the power steering cylinder. A professional can put the correct suspension settings back into your car. Oil The leader in Corvette Parts parts since 1977. Both of the old bushings should now be out of the control arm. 18, Bracket Bolts 1963-82 Corvette Differentials Technical Information - Duntov Motor Company Input from the steering gear box actuates the hydraulic valve to make the cylinder act in the direction you chose. Count on Zip Corvette for the best quality Corvette Parts available for your 1968-1982 Corvette. Organize and inventory your parts before starting the assembly process. 40, Shifter Levers to Shafts We're installing a new idler arm from Lonestar Caliper. The carpet stops parts from bouncing under a table or into a small crevice. When installing the control arm, dont forget to replace the factory alignment shims (two in the rear and one in the front). Once the bolts have been secured, install the upper control arm bracket. 25, Lower (Photo Courtesy Van Steel). The C3 AIM sheet for tie rod clamping indicates that when you tighten the adjuster tube When the ball joint is aligned, continue to raise the jack while pushing the ball joint stud through. Differential Needless to say, if this type of deformation is noted, throw the gear away and purchase a new one. Many Corvette part suppliers sell complete suspension components that have been refurbished. A belt drives the power steering pump. 28, Upper Control Arm to Frame For a better experience, please enable JavaScript in your browser before proceeding. C2 and C3 Corvettes used the same idler arm from 1963-'82 for both manual and power steering applications. Verify that each bolt has been properly installed and torqued to specifications by marking them with White-Out. The seals tend to leak if they sit or have high mileage. Use a 5/8-inch wrench to snug these bolts. This saves a lot of time during the reassembly process when trying to locate the next part to install onto the frame. The easiest way to prepare the differential for installation is to place it onto a floor jack. Increase engine speed to approximately 1500 rpm. Change the power steering fluid whenever you change the transmission and rear axle lubrication, which should be roughly every 30,000 miles. Just be sure to dial them down after you are finished playing or your fillings might fall out. Cross tighten them as you do to secure a tire using the star method. Heads The upper and lower control arms secure the coil spring. This prevents them from loosening and backing out. Note: C4 - FRONT Bushing Clamp Bolts. When Zora Duntov unveiled the independent rear suspension of the 1963 Corvette, he elevated the American sports car to a world class level. 50, Manual If you pull the pitman arm, it is sometimes possible to see the twist in the sector shaft splines. Install a cotter key through the opening and bend back the two wires to prevent the nut from coming loose. 90 The relay rod connects to the steering box Pitman arm (lower left). Be careful because the spindle will only be attached at the bottom ball joint and it will try to flop down. Three bolts fasten the steering box to the left side of the frame. This pitman arm isused on all 1958-1964 power steering set-ups and the 1958-1962standard steering set-ups. The upper shock bolts (5/8- and 11/16-inch nuts) were torqued 60 ft-lbs. In addition, Zip stands behind all of our Corvette parts with our "No-Hassle Guarantee" - That\'s customer service the Zip way! The frame is light enough for two people to carry it to your work area for assembly. 90 Lonestar Caliper Company offers a complete line of power steering parts, components, and systems for C2 and C3 Corvettes, including pulleys, power steering pump caps, power steering brackets and steering shaft couplings. They perform an important function. Repeat this process until you get the correct measurement. It is fine. Filter Bypass Valve 45, (+ to Align Cotter Pin) Two 7/16-13 x 214-inch bolts secure the upper control arm to the frame. 3. The aftermarket offers anti-roll bars for both front and rear suspension that are larger and stiffer than the stock anti-roll bars. The completed differential now needs to be attached to the frame crossmember. Repeat this step on the opposite side. Slowly raise the jack making sure the spring stays seated in the control arm. The suspension must have time to settle on the springs before these bolts are tightened. Now you have a special control arm support tool. You can also kick it with your shoe to push it into its deep well. Lay out the critical components of your front suspension assembly as shown. Add the right rear bearing support to the unit. Shaft to Wheel Spidle Pump Cover Tighten castle nut to 45 lb. It also has the front and rear suspension and the differential. Whether you're maintaining your Shark Corvette or completing a full restoration, our selection of C3 Corvette Power Steering parts is unsurpassed. Insert a cotter key in the provided hole. Three basic types of Saginaw power steering pumps were used in C2 and C3 Corvettes. Intake Third-generation Corvettes use a series of rods attached to the steering box and the suspension steering knuckles to turn the wheels. Standard non-performance Corvettes are fitted with a front antiroll bar that is designed to provide a smooth ride. Specs. This is also a good time to steam clean the parts and repaint or powdercoat before reinstallation. This will allow it to fit around the shaft and bushings. 35, Differential Spring Bolts Only because there aren't any threads protruding past the nut and the arm is further from the box than it was on my old box. 17: On the lower control arm, remove the rubber bumper and mounting plate. This is how toe-out and toe-in are adjusted on the front suspension. Use an adjustable micrometer to verify the thickness of any shim before installing it. Invert the arm in the press. This part takes a lot of stress and should be closely inspected to ensure that it is in excellent condition before installation. Lubricate all of the clutch discs thoroughly on both sides with GM Posi-Traction additive. Removing Pitman arm from steering box 1,948 views Apr 5, 2018 Like Dislike Share Save Fun with cars - mostly Corvettes 640 subscribers Frame off refresh of a 1974 Corvette. Throughout the chapter on ram charging, air filters, [Click here to read more], Shortly after the birth of Corvette in 1953, a Russian immigrant named Zora Arkus-Duntov joined Corvette. With the center of the spring secure, install the spring end links. Thermostat Ensure proper installation with the diagram below. 50 A small retainer at the front of the lower frame holds both front lower control arm bolts in place. Our performance and installation facility is open Monday-Friday from 8:30am-5:30pm (EST). 65, Auto 20, 3/8" Bolts - Torque them to 30 ft-lbs. Two U-shaped brackets that fit over two rubber bushings secure the antiroll bar to the frame. To take the desired measurements, refer to the top right photo on page 87. Your objective here is to install fresh bearings, seals, clutch packs, and races to replace any worn parts in the differential. 31: Install the spindle onto the lower control arm and tighten the nut. The pitman arm bends away from the box as it goes down to the center link end. One bolt holds these arms in place. It's Worn C2/C3 Corvette Power Steering Replacement We will be focusing on the front suspension in this article and will be replacing all of the major components in a 1978 Corvette. If you find that the ball joint was bolted in place, then you know the ball joint had been replaced sometime in the past. Five of these discs have tabs. Remember the coil spring will be pushing down on the control arm with tension. 19:Install a 3/8-242 1/4 cap screw in one end of the shaft. These arms need to be moved up and down during the spring and steering knuckle installation. This won't happen if you pay strict attention to how the lines and hoses are routed and installed before taking the system apart. This Corvette reproduction pitman arm has been manufactured to original factory specifications using today's modern manufacturing techniques. If the cotter key hole doesnt line up, adjust the nut until the hole is located. 18, Door Hinge Bolts The larger the bars, the more taut the ride. Rotate the spring until the end rests against the lower control arm spring well dimple. If your box has high mileage and exhibits free play, it should be exchanged for a refurbished unit with new gears and original equipment adjustments. You can now use the ball joint separator to separate the spindle from the lower control arm. These springs were installed on Corvettes built at the new Bowling Green assembly plant. The 3/4-inch inner camber bolt was torqued to 70 ft-lbs. PDF 1955-1964 STEERING LINKAGE IDENTIFIED - Chevy Classics Club Axle The shock absorber is inserted from the bottom of the lower control arm and secured with two bolts in the front suspension. 25: After the shaft and bushings are installed, screw the cap screws, lock washers and collars into place. The movable face angle of all Comet asymmetric system drivers and drivens is 18 degrees, their "stationary" (opposing) face is 2-1/2 degrees and the Comet asymmetric belt angles likewise correspond. Notice that these rotors have been matched to the spindle for trueness with White- Out. Read more about our performance and installation facility here. Free shipping on many items | Browse your favorite brands | affordable prices. The bump stop protects a severe bump or hole in the road. It has been said you can move the world with the power of hydraulics. As you know, both the Eaton 65-79 and the Dana 80-82 Corvette differentials use springs to preload the clutch pack that transfers torque to the unloaded tire.

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