Question about Jeep CJ7

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Hey i am restoring a 1979 jeep cj 7 and the engine turns over and is not seized up, however it does not turn over fast enough to start what could be causing this problem?

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Sounds like you either have a bad or not fully charged battery, a poor ground or a starter that isn't making good internal connection.
if everything is good I'd remove the starter and either replace it or take it apart and clean off the commutator on the armature, making sure all the brushes aren't worn. If you have the initial engine timing set too far advanced, it will also fight you while cranking (easily checked...if it spins fast with the coil wire removed from the cap, it is likely too far advanced)

Posted on Sep 06, 2010

  • Richard Scordino Sep 24, 2010

    Just thought I'd check back with you and see how you made out with your project. I'm pretty new at car repairs (only 40 years or so) and I'm wondering what I said that didn't help as most times what I told you is valid and useful. If you did not understand any part of what I said, you could have asked about it. I'm not used to getting so-so ratings on answers that are relatively simple.


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I left key on by accident. Now engine will turn over but won't start. 1983 jeep cj 7 258 i6.

You should have a ignition voltage resistor that drops your 12 volts to 6 volts for the points in the distributor. There is a chance that this overheated and burned out.

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Turn the key to start and the starter engages but it doesnt turn the flywheel. the engine isnt seized and the flywheel turns

Are you sure the starter is good, or is strong enough to turn the engine? First thing I would do is replace the starter. After that check the voltage when you are trying to start. Maybe the eletrical connection isn't good enough. In that case replace the cable.
Thank you,

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Generally if you bend the washer up against the flat side of the nut they generally don't move. Not sure what you could be doing wrong. It doesn't generally take that much to hold that nut from turning.

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I have a 1979 CJ 7 that I just recently purchased. The turn signals dont work. When I hit the brakes the turn signal ligts light up on the speedometer.

I suggest you do the simple low $ things first..Replace the bulbs (sometimes a filament can break and cross over to another inside a bulb)
Replace the flasher unit. Make sure all socket grounds are good.
If that does not help, likely the problem is in the turn signal switch inside the column under the steering wheel. (get a haynes or chilton manual for dis-assembly instructions) isn't difficult to do but too long to write here.
Unless it's obvious that someone messed with the wiring, chances are it is OK.

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My jeep wont start..started fine when i parked it,doesnt even turn over,just clicks..and it is not the battery

You say it is not the battery, but the clicking comes from the starter solenoid which takes very little power engaging, but not having enough power to turn the starter. If the starter is seized it can mimic battery, but before you replace the battery, try a new one or leave the jumper cables on yours for at least a half hour before trying it.

The starter system on that is not any different than it was in the 60's so there is not much that can go wrong.

Anther possibility is the solenoid relay in the engine compartment. Try jumping the relay to see if it turns over the starter, also your could have a motor that is seized so that the starter cannot turn it over. Try moving the crank to see if you can turn it, but My guess is that while you have 12 volts in the battery, you probably do not have the amps that it needs to turn over the engine.

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I did this to a 1979 CJ-7 I had and also used 87-95 model leaf springs on it cause they are softer. It is not a easy thing to do because you have to be very careful to keep your caster and camber angles to the stock angle to get the Jeep to drive right. Check with Rubicon Express, they make a kit to do the spring over that has all the parts to keep everything in alignment for about $450 if I remember right. It would be well worth the money to have a Jeep that drives like it should.

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