30 34 The fl at washer has a notch that matches the one on the spindle to prevent it from turning. Install the wheel bearing dust cap along with the caliper bracket and dust shield. in/lbs, Carrier Front Support to "X" Member Manifolds Water Dont be afraid to hit the heads forcibly because they are designed for this procedure. Trailing Arm Bolt Question? | Corvette Forum : DigitalCorvettes.com Torque specifications for 68-72 Corvettes Increase engine speed to approximately 1500 rpm. Tighten the 11/16-inch locking nuts to 50 ft-lbs. This differential has been assembled and is ready for installation. The two rear lower control arm attachments must also be securely welded to the frame. These bolts should be torqued to 30 ft-lbs and the tabs on the French locks need to be bent (shown). 25, Shock Mount Bolt (Upper) Confirm the drag or load on the pinion by using an inch pound torque wrench. Cars that are equipped with FTL and big blocks are fitted with larger front bars and rear anti-roll bars to help balance the handling. 30, Upper Clamp Ensure proper installation with the diagram below. 30, Camber Cam Nut Oil Master If they pass the inspection, send them to the powdercoating shop so their surfaces can be powdercoated to prevent deterioration. Joints U-Bolts First start stacking a side gear with a clutch disc that has two tabs or ears on it. This tool will seat the pulley onto the pump shaft. 13906-C Denton Drive. C2 Corvette Pitman Arm & Relay Rod (1963-1967) Books & Manuals Home 63-67 C2 Corvette Parts Steering Systems Steering Linkage Pitman Arm & Relay Rod 17 Items Show per page Sort By 1/2-20 Slotted Hex Nut Price: $1.99 SKU: BL-212 Add to Cart 53-62 Steering Drag Link & 63-76 Relay Rod End Plug Price: $8.99 SKU: SC-533 Add to Cart The lower control arm includes a steel shaft and is attached with two 7/16-20 x 1.-inch bolts at each end of the arm. 1963-1982 Corvette Front and Rear Suspension Assembly. Step-3: Install Nut on Control Arm A 9/16x18x2532-inch bolt secures the rear lower control arm to the frame. Assemble the spring plate and put it into a vise. Low Price Guarantee. Move the gears back and forth to check for looseness and play from side to side. The other side connects to the bearing support leg and the shock mount is pushed through the legs and the strut rod. We're installing a new idler arm from Lonestar Caliper. Is your Pitman arm on upside down by chance? 16: After the ball joint is removed, drill the mounting holes out with a 21/64 drill bit to accommodate the new mounting bolts. Oil However, cornering speed is greatly increased with bigger units. After the oil has been drained, remove the back cover on the differential. (You can also use a large punch or another piece of solid metal.) 30, Torque Arm to Frame Outlet High Quality Products. 18: To remove the control arm bushings, start by removing the end cap bolts, lock washers and collars. The upper and lower control arms should look like this once they have been installed. Flywheel The pump is connected to the power valve and the power steering cylinder. 09: The stabilizer bar end links can be removed along with the stabilizer to frame bushings and brackets. 65 (888) 581-3838 Phone (972) 243-3838 Fax (972) 243-3828 HOURS M-F 9am - 5pm Sat - by appt follow us on Facebook Instructions for Removing and Reinstalling 65-82 Corvette Rear Spindles The following Special Tools are all but REQUIRED to do a proper job: Spindle Knocker (spindle removal tool) 70, Upper (The front trailing arm bushings have already been installed here.). It is important to make sure that this seal is correctly seated into the top of the differential housing. 30: Install the upper control arm bumpers. Flywheel POWER STEERING CONTROL VALVE INSTRUCTIONS - zip-corvette.com Comet Torque Converter Clutches & Parts for Go Karts & Mini Bikes If it meets specifications, it is shot peened to remove all accumulated grime and paint. 50, Upper Then, service the pump to "full" on the dipstick at operating temperature and you're good to go. Use a large piece of pipe or something that is the same diameter as the seal. They are attached to the frame between the upper control arms with one bolt. Pump Phone (972) 243-3838. to Pinion Flange Specs. Bearing Cap Classic C2 and C3 Vettes have a conventional Saginaw worm-and-sector steering gear, which does the job quite well unless you'd prefer less steering effort. Chevy Muscle Car Tech Tips, Guides, Articles & How-To. 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. After you have installed the first bushing, install the cross shaft into the arm. GM torque specs for the pitman arm nut is 120-160 ft-lb.2. This is how toe-out and toe-in are adjusted on the front suspension. If you have someone stand on the upper control arm during this procedure, installing the steering knuckle is easier because the suspension is being compressed from above and below. The endplay on the side yoke should be .005 to .010 inch. Torque these bolts to 35 ft-lbs. The shock absorber is inserted from the bottom of the lower control arm and secured with two bolts in the front suspension. The 19801982 automatics use 12-mm x 1.75 x 10.9 x 35-mm bolts and 19801981 4-speeds use 12-mm x 1.75 x 10.9 x 80-mm bolts. Flywheel 80 A professional can put the correct suspension settings back into your car. 80, (Finger tight and align cotter pin hole.) Insert it through the control arm steel shaft from the top. The upper control arm rubber bushing bolts should remain loose until the project has been completed. Reassemble the powdercoated arms. Simply reverse the disassembly procedure discussed in Chapter 6. 30, Torque Arm Corvette Central Project Split Mod Part 3: Chassis | CC Tech Verify that each bolt has been properly installed and torqued to specifications by marking them with White-Out. 1-32878 Corvette Pitman Arm/3rd Arm Ball Stud. It also has the front and rear suspension and the differential. If you are refurbishing these trailing arms yourself it is wise to include new bearings. Snug but do not torque them at this time. Nicks in the fittings and seats will cause leaks because there's a lot of pressure going on here. Be careful to not over tighten them, as it will damage the roller bearings. The suspension must have time to settle on the springs before these bolts are tightened. Differential Remove the parking brake hardware (reverse the procedure that starts in Step 3). Leave it alone. IN VEHICLE C2/C3 CORVETTE STEERING GEAR ADJUSTMENT. Insert a pickle fork between the trailing arm and the bearing support legs. Do not torque the end cap bolts on the shafts yet. Cylinder Bolts You will see later why we did it this way. The strut rods attach to the differential bracket with an adjustable camber bolt with two reducing washers inside the bushing on the differential side only. We Mounted tires to make this job easier. Make sure you have the correct bolts. They lock the clutches and provide power to both wheels. The seals tend to leak if they sit or have high mileage. 45, Main Bearing Cap 35: Assemble the tie rods and sleeves. After this is done, your first stop should be the local Corvette alignment shop. Turn the wheels (off ground) right and left, lightly contacting the wheel stops. In my opinion, this is money well spent. Torque the two front bolts to 70 ft-lbs with a 5/8-inch socket. Press out the bushing into the socket. Use engine assembly lube to perform this task. JavaScript seems to be disabled in your browser. The third arm does the work of both an idler and pitman arm in a recirculating ball steering system. Now mount the stabilizer bar and brackets to the frame. What lubricant / grease did you use when you rebuilt - Corvette Forum Do not stand in front of the spring. Be careful to not over tighten them, as it damages the roller bearings. Install the rear brake rotor over the hub and check it for runout to verify that the rotor and bearings are within factory tolerances. After the shims have been installed, attach a dial indicator to the differential housing to check the gear backlash. Fitment. The steering linkage must be assembled to the pitman arm, idler arm, and to the steering arms using the correct fasteners and assembly torques. Apply silicone lubricant before installing the seal gear into the housing. These manuals are a must because they will supply you with removal and installation procedures along with all of the correct torque specifications. To check the gear pattern, hold the yoke with one hand and turn the ring gear back and forth with the other hand and a 9/16-inch wench on the ring gear bolt. in/lbs, Carrier to Frame Supporting the center of the dash is critical so as to not crack or damage it [Click here to read more], General Motors, like all the other car manufacturers of the time, did not put much valuable information on the vehicle identification number (VIN) plate. Do not tighten the two bolts that secure the upper control arms rubber or poly bushings until the car is ready to be driven. Two trailing arms are bolted to the frame on each side and held up with a transverse steel spring (1968-1980). The frame is light enough for two people to carry it to your work area for assembly. THE RUGGED 40 SERIES TORQUE CONVERTER is composed of heavy gauge stamped steel to withstand the extreme rigors of rough applications. 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. I figger it ain't going no wheres. Use a locking adhesive on the threads and torque each one to 60 ft-lbs. Find Us. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. Flywheel 20, Differential Mount Bracket They perform an important function. The leader in Corvette Parts parts since 1977. . Notice that these rotors have been matched to the spindle for trueness with White- Out. Filter Bypass Valve Outlet the past. It is fine, once tight the nut can be removed and the arm will never fall off. Aftermarket suppliers offer a wide range of C3 Corvette shock absorbers. The relay rod connects to the steering box Pitman arm (lower left). Adjusting the backlash is the best way to eliminate gear noise. It is not diffi cult but care must be taken to avoid injury to yourself or others. Corvette engine front accessory drive packages were revised over time as vehicle design changed. 2, Wheel Nuts Rod Cap Drain Plug Torque to 25 lb. Now position the jack under the control arm as you did before. Notice where the relay rod is attached to the passenger-side idler arm sleeve. Written by Walt Thurn and Posted with Permission of CarTechBooks. 05: Remove the power steering ram retaining nut from the mounting bracket. 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. If you pull the pitman arm, it is sometimes possible to see the twist in the sector shaft splines. Keep each set together and mark them for each side along with either front or rear. If you liked this article you will LOVE the full book. All of the light rust damage has been repaired. http://www.chevelles.com/forums/album.php?albumid=2153&pictureid=21505, http://www.chevelles.com/forums/album.php?albumid=695&pictureid=6156, http://www.chevelles.com/forums/album.php?albumid=428&pictureid=4468, http://www.chevelles.com/forums/album.php?albumid=826&pictureid=7810, http://www.chevelles.com/forums/album.php?albumid=834&pictureid=7834. Torque Arm Throttle Cable Included No Yes Transfer Case Assembly Included . At the time, emissions standards were tightening and General Motors was hard-pressed to increase fuel economy across the board for their production vehicles. Repeat above procedure until oil level remains constant after running engine. To start, place a pair of locking pliers on one end of the leaf spring. You can also potentially get hydraulic lines backward during installation from the control valve to the ram and steering becomes erratic quickly. Three bolts fasten the steering box to the left side of the frame. 18, Bracket Bolts Then press the second bushing into the arm or onto the shaft. Four discs without tabs are on each side. Front Suspension: How To Rebuild Your 1963-1982 Corvette Front Suspension, Source:ZipCorvette Parts8067 Fast Lane | Mechanicsville, VA 23111 | (800) 962-9632, Your email address will not be published. When draining the oil from the differential, check for a burning odor, which indicates overheating of the gears and case. Start by installing the control valve onto the end of the drag link. This spring is under a lot of tension and might require the use of sandbags to be placed on the frame to help attach these end links. SAFETY NOTE: To minimize any danger, you may want to use a coil spring compressor tool available at any tool rental or auto parts store to help with the coil spring removal. 65, Auto Insert the lower ball joint stud into the opening on the steering knuckle. It uses rubber bushings and washers to minimize noise in the car. Each bolt has a wedge near the head (arrow) that prevents it from moving once the suspension has been mounted. When lines are backward to the ram you steer left and the ram applies pressure right snatching the steering wheel out of your hands violently. Any accident damage or rust that has eaten through the frame has been cut out. Step 1 01: Here are all of the components that Zip supplied for the front suspension rebuild: Springs, power steering pump, ram, valve, hoses, idler arm, drag link, tie rods, sleeves, control arm bushings, bumpers, stabilizer bar bushings, end kits, shocks, and all of the mounting hardware kits. These springs were installed on Corvettes built at the new Bowling Green assembly plant. If it is not within this range, the assembly needs to be removed and a different-size shim installed. Intake in/lbs Clutch pack guide8. This bumper is designed to hit the lower frame rail if the suspension is fully compressed; this helps avoid damaging any suspension components if a bump is taken too hard. 12 Place a floor jack under the spring and slowly lift the spring until you are able to attach a nut to the bottom of the end link bolt. He was quickly promoted to [Click here to read more], It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. 70, Rear Whether youre maintaining your Shark Corvette or completing a full restoration, our selection of C3 Corvette Power Steering parts is unsurpassed. Use two 1/2-inch bolts and two 1/2-inch nuts to secure the rubber bump stop to the lower control arm. They are fitted with universal joints so they move through the arc of the suspensions travel as it encounters changes in the road surface. These two methods are well described and documented in the service . Oil Get the best deals on Pitman & Idler Arms for Chevrolet Corvette when you shop the largest online selection at eBay.com. 1963-1982 Corvette Front Suspension Rebuild This is a good time to refurbish or replace the steel control arms. This job is easier if someone is helping. 20 C3 Corvette Forums. Clip off the excess ends with a pair of cutting pliers. 50 Flywheel This tab piece goes onto the side gear first, and then every other disc added to the stack does not have tabs. If using a differential rebuilding kit, it includes a dye to help determine the gear mesh pattern. 70, 1/2" Bolts - Needless to say, if this type of deformation is noted, throw the gear away and purchase a new one. (If you are using steel shims, this is not a problem.) 45: The last thing you will need to do is to check the toe-in of the front suspension. Thermostat Install pinch bolt being certain that it aligns properly with the machined slot in the relay rod. i just put agr box on and threads are just even with pitman and its tight. in/lbs, Drive Spindle Nut 100 (+ to Align Cotter Pin) Trestle Systems 2470 Island Dr, Suite 308 Spring Park, MN 55384 The carpet stops parts from bouncing under a table or into a small crevice. We take orders in our showroom or you may call your order in over the phone and we will prepare your items in advance so you do not have to wait. Both of the old bushings should now be out of the control arm. 60, Upper Universal Make sure that they are completely seated. 20, Drain Plug Service the pump with just enough fluid to submerge the pump inside the housing. By leaving them just snug, the arm is able to move up and down freely during the next steps. Our performance and installation facility is open Monday-Friday from 8:30am-5:30pm (EST). The old shaft protruded about 1/8" past the nut and the new one sticks out just a little past flush. Automotive Torque Specifications by Model - TorkSpec - Knowledge for This bolt has a 13/16- inch head. The rear shock absorbers are attached to the trailing arms at the bottom and to the frame at the top. The C3 AIM sheet for tie rod clamping indicates that when you tighten the adjuster tube The bump stop protects a severe bump or hole in the road. When installing the control arm, dont forget to replace the factory alignment shims (two in the rear and one in the front). We now have a rolling chassis ready . Read more about our performance and installation facility here. 165, Shock Absorber: Camshaft Sprocket 20 When the pump shaft is flush with the inner lip of the pulley, it is seated.
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