OEM 2010 Chevrolet Corvette Harmonic Balancer

2010 Chevrolet Corvette Harmonic Balancer Parts Questions & Experts Answers

• Q: How to replace the harmonic balancer on 2010 Chevrolet Corvette?

  A: Begin the replacement of Harmonic Balancer by removing the air conditioning Drive Belt followed by power steering gear and Starter motor then continuing with right transmission cover removal along with its bolt. Mark the Harmonic Balancer position since it cannot use a key for placement before you disconnect it. Then note down the markings on the crankshaft as well as the balancer before separation. The j 42386-a must be installed with one m10 - 1.5 x 120 mm and one m10 - 1.5 x 45 mm bolt and require torque at 50 nm (37 lb ft). Retain the Harmonic Balancer bolt (139) because it will be used in subsequent installation procedures. Use j 41816 and j 41816-2 to eliminate the Harmonic Balancer (Item 138) along with its washer and make a note of balance weight positions. Straight placement of the balancer on the crankshaft needs to occur before applying the washer to the balancer. Your installation will require the j 41665 together with the j 41478. Hold the hex end of the j 41478 while turning the installation tool nut clockwise to start the balancer. Begin unfastening the installation tool in reverse direction while securing the complete balancer installation until it reaches its full position. Use bolt (139) to fasten the used Harmonic Balancer and achieve 330 nm (240 lb ft) torque level before extracting it. The installer should check that the crankshaft nose enters the balancer bore 2.4-4.48 mm (0.094-0.176 in) then restart the installation if necessary. Users should install the new Harmonic Balancer bolt (139) and tighten it to 150 nm (110 lb ft) then loosen it 360 degrees before 80 nm (59 lb ft) tightening with a 200 degrees final pass using the j 45059 tool. After removing the j 42386-a you should reinstall the Starter motor as well as the power steering gear together with the air conditioning Drive Belt. The final step includes running the crankshaft position (CKP) system variation learn procedure.