distributor rotor wear - Car Troubleshooting


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Auto Repair Home>> Automotive Repair>> Car Troubleshooting

mike hammer
User

Feb 6, 2009, 9:15 AM

Post #1 of 4 (1311 views)

distributor rotor wear	Sign In

In a 2.5 litre plymouth aclaim (or all distributor in general) What shape is the end of the rotor suppossed to be. In the alternator at which i am looking the end that makes the contact is perpincular to the side that is to say it is quite flat on the end . And is this supposed to make direct contact with the four different points or just pass close enough to allow an arc

(This post was edited by mike hammer on Feb 6, 2009, 3:12 PM)

dmac0923
Enthusiast

Feb 6, 2009, 1:46 PM

Post #2 of 4 (1307 views)

Re: alternator rotor wear	Sign In

i believe they are just supposed to have a minimal air gap. just enough so they dont touch.
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2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1

mike hammer
User

Feb 6, 2009, 3:23 PM

Post #3 of 4 (1303 views)

Re: alternator rotor wear	Sign In

Now that I have seen a new distributor rotor I can tell you that the end is very slightly curved. In my case general distributor failure was a two fold problem of the rotor end having been corroded and worn and in edition I believe some foreign material which was messing up the hall position sensor( a small sensor under the plastic cover which seperates the chamber in which the rotor spins and the rest of the distributor) had originated from the worn and corroded rotor. This piece of material was essentially just a flake of metal but was enough to somehow short out the whole distributors ability to function. The sensor contains some magnetic portions which make it particularly attractive to metal flake and rusty crap.

Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Feb 6, 2009, 4:39 PM

Post #4 of 4 (1298 views)

Re: alternator rotor wear	Sign In

That is called a 'Hall Effect' switch. As the distributor turns, the reluctor blades pass through the Hall Effect switch, telling the coil when to fire.
Loren
SW Washington

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