To start, place a pair of locking pliers on one end of the leaf spring. The long-neck pump has a keyed shaft and pulley versus the pressed-on pulleys used from 1975-'82. You will notice that there are both right and left hand threads on the tie rods. Attach a nut to the bottom of the bolt using a 7/8-inch socket on the nut and a 13/16- inch wrench on the bolt head and torque it to 100 ft-lbs. 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. Starting in 1963, the VIN denoted coupe or convertible and build sequence. It is much quicker to exchange your old trailing arm for a refurbished one. C2 Corvette Pitman Arm & Relay Rod (1963-1967) The 19681982 Corvette steering linkage was first used in the 1963 Stingray. The leader in Corvette Parts parts since 1977. Change the power steering fluid whenever you change the transmission and rear axle lubrication, which should be roughly every 30,000 miles. Use a 9/16-inch wrench to remove the four nuts that are located underneath the parking brake hardware. Three bolts fasten the steering box to the left side of the frame. This illustration shows some but not all of the major parts in a Posi-Traction unit.1. 80 Slide the control arm steel bracket through the two bolts and thread on the 11/16-inch nuts. Tighten the nut when the rubber has been slightly compressed on the shock shaft. 70, Lower Control Arm Shaft Bolts: 18, Bracket Bolts Pitman Arm Nut Torque | Team Chevelle High Quality Products. Lift the trailing arm from the rear and place a 1 x 1-inch piece of wood into the same place that the shims go. 165, Shock Absorber: Camshaft Sprocket 20 Organize and inventory your parts before starting the assembly process. 27: The power steering pump was badly leaking so we asked Zip to send us a brand new one. This prevents them from loosening and backing out. What the the torque specs of: Pitman/box nut (I read 184 ft/lbs?) The pump is connected to the power valve and the power steering cylinder. C3 rear trailing arms are made from boxed steel and welded for strength. Torque them to 35 ft-lbs. 1953 to 1962 C1 Chevrolet Corvette front suspension rebuild - MotorTrend Apply silicone lubricant before installing the seal gear into the housing. Install a cotter key through the opening and bend back the two wires to prevent the nut from coming loose. C3 Corvette Pitman Arm (1968-1982) Product Details. 23: Place the control arm in the press and install one bushing using a 1 5/16 socket to press the bushing into place. Now use a ball joint separator to loosen the ball joint from the spindle. Each outer end of the spring is connected to the rear of the trailing arm with a link. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. They start the process by disassembling the old parts. (outer) Once the knuckle has been pushed into the ball joint stud, secure it with a 3/4-inch nut and torque to 45 ft-lbs. Recheck the adjustment after putting 100 miles on the car. 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. Observe the coil spring and make sure it stays securely in its upper and lower wells. Then unbolt the top of the lower ball joint and drill, cut or grind off the rivets to remove the ball joint. the past. Cover Bolts Cylinder Bolts The rear shock absorbers are attached to the trailing arms at the bottom and to the frame at the top. IN VEHICLE C2/C3 CORVETTE STEERING GEAR ADJUSTMENT. We now have a rolling chassis ready . Tolerances of .005 or less are the runout target. Once they are snug, go one quarter of a turn more with your wrench. Housing Bolts (front) Torque sensitive drives are particularly suited to those applications where immediate response to torque demand is required for down shifting and engine speed is ideally maintained at its peak rpm. They provided a better ride and reduced the unsprung weight of the rear suspension. A 9/16x18x2532-inch bolt secures the rear lower control arm to the frame. Be sure the cotter key hole lines up. The date code is irrelevant unless youre really trying to re-create [Click here to read more], If oil is the lifeblood of your engine, then the oil pump and lubrication system are indeed the heart and circulation system of your big-block Chevy. The ram (shown) is attached to the relay rod. Oil Water Check to make sure hoses are not touching any other parts of the car particularly sheet metal and exhaust manifold. Rotate the spring until the end rests against the lower control arm spring well dimple. 15, Lower Ball Joint Nut Transfer this measurement to the corresponding new tie rod assembly. Slowly raise the jack, while the upper knuckle ball joint opening is placed into the top control arm ball joint stud. Now mount the stabilizer bar and brackets to the frame. 25 Pan to Crank Case Dont be afraid to hit the heads forcibly because they are designed for this procedure. All of the light rust damage has been repaired. Install the lower washer and rubber bushing onto the shock shaft. Oil 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. The old shaft protruded about 1/8" past the nut and the new one sticks out just a little past flush. In many ways, the camshaft is the command center of the engine. Caliper 2628 Views 4 Replies 2 Participants Last post by gtr1999, Dec 13 . It also has the front and rear suspension and the differential. The two rear lower control arm attachments must also be securely welded to the frame. Lift them and spread the shoes to mount them on the upper pivot bolt. 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. To take the desired measurements, refer to the top right photo on page 87. Pinion thrust washers6. 90 After the bushings, ball joint, and steel shaft have been removed from the control arm, the shop inspects for cracks or other damage. 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. PDF COMET INDUSTRIAL PRODUCTS - Comet Clutches The upper control arm rubber bushing bolts should remain loose until the project has been completed. Two hydraulic hoses connect to the ram and provide fluid pressure to make the unit operate. Install the screw and tighten to specs. in/lbs, Carrier to Frame Spark The Eaton system uses four coil springs, while the Dana utilizes a conical Belleview spring to preload the clutch pack. What lubricant / grease did you use when you rebuilt - Corvette Forum 150 35 Use a locking adhesive on the threads and torque each one to 60 ft-lbs. The upper and lower control arms secure the coil spring. Slowly rotate the gears to check for any obvious signs of one gear rubbing on another. Place the frame in a low-traffic and well-lit area so it can be safely reassembled. Be careful; the seal is easily damaged. 18 These two methods are well described and documented in the service . I don't think it's upside down. You will see later why we did it this way. Tighten the 11/16-inch locking nuts to 50 ft-lbs. If you marked these parts during disassembly, re-torque the bolts to the same location. Clamp C3 Corvette Forums. 20 The best place to start is with the shim that came out when it was disassembled. Removing Pitman arm from steering box - YouTube Get the best deals on Pitman & Idler Arms for Chevrolet Corvette when you shop the largest online selection at eBay.com. Plugs Also, the distance between the box and pitman arm on the old box was 1/2" and the new setup is 5/8". Place a long fl at bar onto the head of each bolt and hit the bar with enough force to push the head flush against the frame. Whether youre maintaining your Shark Corvette or completing a full restoration, our selection of C3 Corvette Power Steering parts is unsurpassed. 65, Auto Use a large piece of pipe or something that is the same diameter as the seal. Grease and pack the inner and outer bearings with wheel bearing grease. Remove the parking brake hardware (reverse the procedure that starts in Step 3). 25 Be careful to not over tighten them, as it will damage the roller bearings. Refurbished trailing arms include new bearings as part of the price. The clutch plate stack should set in and therefore be ready for service once the differential is installed in the car. Then press the second bushing into the arm or onto the shaft. 17: On the lower control arm, remove the rubber bumper and mounting plate. The power ram shaft A-bracket attaches to the lefthand framerail. Universal With the center of the spring secure, install the spring end links. If you find that the ball joint was bolted in place, then you know the ball joint had been replaced sometime in the past. A couple of spacer plates are employed between the subframe and framerails. POWER STEERING CONTROL VALVE INSTRUCTIONS - zip-corvette.com Place the new coil spring into the lower control arm seat and frame bucket. If the cotter key hole doesnt line up, adjust the nut until the hole is located. 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. Once the bolt is attached with the nut and washer, slowly lower the jack. This will be one of the last bolts to tighten. The front steering system connects to the spindle on each side of the car to provide steering to the front wheels. These springs were installed on Corvettes built at the new Bowling Green assembly plant. The pitman arm bends away from the box as it goes down to the center link end. 1-32878 Corvette Pitman Arm/3rd Arm Ball Stud. It is easier to install the lower adjuster and the spring first on the workbench. Clip off any excess wire with a pair of cutting pliers. Automotive Torque Specifications by Model - TorkSpec - Knowledge for 11: Loosen the upper control arm mounting bolts and carefully remove the shims. 37: Mount the entire steering linkage assembly to the steering arms and Pitman arm. Step 20 20: BALANCING THE CONTROL VALVE: The control valve must be adjusted after being dissembled as outlined in the following procedure: Balancing Instructions The other side connects to the bearing support leg and the shock mount is pushed through the legs and the strut rod. Remember to do both the upper and lower control arm bushings. Place a solid bar such as a damaged pin (shown) on the driveshaft yoke. Phone In Price USD $ 48.99 1953-1962 Each Spray the flared mounting end with silicone to make installation easier. Tighten the nuts evenly on both sides. Heads You have a thread showing. (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) If you pull the pitman arm, it is sometimes possible to see the twist in the sector shaft splines. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. 35 However, if you are just going to use your car for cruising and not racing the factory parts work very well. Two 3/8-24 x 7/8-inch bolts secure the steel shafts that are included on the refurbished upper control arms. Congratulations! 80 This cutaway of a C3 differential reveals the components to inspect when the rear case cover is removed. Driveshaft and Rear Axles, Lower Control Arm Shaft Bolts Corvette "power assist" steering has long been a very effective tool in reducing steering effort while keep us in touch with road feel, which is why Corvettes were equipped with this type of power steering to begin with. This has to be done with the weight of the car on the suspension. New ball joints with rubber or polyurethane bushings are included in the rebuild process. Outer I figger it ain't going no wheres. Then, service the pump to "full" on the dipstick at operating temperature and you're good to go. The fluid pressure reduces the effort it takes to turn the steering wheel. Read more about our performance and installation facility here. Recheck the side yoke endplay. Fitment. New clutches usually cure this problem.