OEM 2003 Chevrolet Impala Ignition Lock Cylinder

2003 Chevrolet Impala Ignition Lock Cylinder Parts Questions & Experts Answers

• Q: What Tools Are Required to Service and Repair the Ignition Lock Cylinder on 2003 Chevrolet Impala?

  A: To service and repair the ignition switch lock cylinder, the following tools are required: ignition lock holding fixture (J 41340). All vehicle locks use the same key while the five-character key code appears on the key tag. Key manufacturers provide suppliers with a code reference document which reveals the mechanical key design. Key cutting involves decimating blank pieces into fitting tumbler positions followed by wire brush smoothing of edges before final testing inside lock cylinders. The replacement lock cylinders arrive empty of tumblers and springs but require installation following the mechanical key instructions. To recode the original Ignition Lock Cylinder start by removing the core from its housing using a key along with a start position rotation followed by retainer pressing to remove the core entirely. Use tweezers to remove the spring retainer followed by extracting both springs and tumblers from their slots before noting down their ordered positions. Place tumblers into their designated slots then put a tumbler spring above each one before lubricating with gm p/n 12346241 superlube or equivalent product and adding the spring retainer. Verify proper installation of components through testing in the ignition lock holding fixture (J 41340) while staking the spring retainer. Place lubricant on the core retainer slot before inserting the retainer spring together with core retainer. Insert the Ignition Lock Cylinder into its housing while applying gm p/n 12345996 or equivalent lubricant to the lock cylinder housing detent pins and lock cylinder retainer. Verify that you can rotate the cylinder properly. The coding procedure for all lock cylinders besides the Ignition Lock Cylinder requires tumbler identification followed by proper placement of selected tumblers to complete both press-on and non-press-on cap installations while securing the lock cylinder door and cap properly.