7 4 Vortec Distributor Cap Install

When you look at the spark plug wire terminals you ll see unusual wear patterns.

7 4 vortec distributor cap install.

Vortec technology was first introduced by gm in 1986 in a v 6 4 3 liter engine called the 4300. I also have a shortened version for those more familiar wit. If you have not removed the distributor yet it is a wise idea to mark the distributor body and rotor position prior to removal so that it can be reinstalled in that postion without having to. As the distributor is placed into position the rotor will turn slightly as the gears mesh.

This should cover anything you need to about distributor replacement for chevy v8 vortec engines. The idea was to create a. On the distributor there is a marker cast into the base where the distributor cap sits. The preface to part 1 of this article is that you are trying to install a vortec distributor that has been removed without marking its position first.

To verify vortec engine distributor problem set the code you simply remove the distributor cap. The rotor needs to line up on this mark when the distributor is fully seated. In addition you ll also see damage to the distributor rotor. The issue stems from failure of the housing that in turn allows the distributor shaft bushing to wear out.

The word vortec comes from the word vortex. Distributor installation have a 99 vortec 7 4l and the distributor went bad new distributor has no alignment marks and what i read on the internet has only helped a little. If it needs to idls it will die on most occasions. It will be a triangle shaped marker pointing to the rotor.