OEM GMC Sierra 1500 Classic Ignition Coil

GMC Sierra 1500 Classic Ignition Coil Parts Questions & Experts Answers

• Ignition Coil
  19418993
  Q: How to replace the ignition coil on GMC Sierra 1500 Classic?

  A:

  When changing the Ignition Coil, take out the air cleaner outlet resonator and remove the Ignition Coil and Distributor Cap contact Ignition Coil wire. Then, remove Ignition Coil and Ignition Coil driver's electrical connectors. Take off the accelerator cable slug and cruise control cable from the throttle lever then take off the accelerator cable and cruise control cable from the engine bracket. Remove accelerator control cable bracket nuts and remove brick with cables connected from Throttle Body, retacing it out of the way. Unscrew the accelerator cable bracket nuts and stud and remove the accelerator cable bracket. Continue the process and take out the Ignition Coil bracket studs and the Ignition Coil together with the bracket. Remove the Ignition Coil bolts/nuts to release the Ignition Coil from the brackets. During installation, fit the brackets up either side of the Ignition Coil and fit Ignition Coil bolts/nuts and secure to 3.5 (31 lb in) n.m. Mount Ignition Coil and bracket and attach Ignition Coil bracket studs. Torque to 11 n.m (97 lb in). Re-install the accelerator cable bracket and tighten nuts/stud to 12 n.m (106 lb in), and put the bracket and cables in their positions. Install the accelerator control cable bracket with cables to Throttle Body, and tighten the nuts 10 n.m (89 lb in). Check and reconnect the accelerator cable and cruise control cable to the engine bracket while the brake cable to throttle lever and the accelerator cable slug on the throttle lever are connected. Fasten the electrical connectors for the Ignition Coil and Ignition Coil driver, making sure that the coil wire nipple is located no further than 60 or no less than 35 degrees aft from the perpendicular from the engine centerline on the outboard side of the coil. At last, connect the Ignition Coil wire to the Ignition Coil and the Distributor Cap, replace the air cleaner outlet resonator.