Heating up

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Aug 24, 2012 | 10:50 AM

Colie111

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4th Gear

Joined: Aug 2012

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From: St Catharines Ontario

Heating up

I have a '78 L48 Original car. My problem is when the car heats up it will not start. Let it sit and cool down and it starts??? I have replaced the Battery and the Alternator.

Aug 24, 2012 | 11:18 AM

Easy Mike

Team Owner

Joined: Jun 2000

Posts: 38,923

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From: Southbound

Cruise-In II Veteran

Starter and solenoid are absorbing engine heat, very likely from the exhaust manifold/pipe. It the stock heat shield in place?

Aug 24, 2012 | 11:51 AM

lvmyvt76

Melting Slicks

Joined: May 2011

Posts: 2,753

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From: Springfield Missouri

tell us more of the problem, like no crank when hot, or slow crank when hot,etc. That way we can help more.

Aug 24, 2012 | 12:13 PM

tonystar1

Advanced

Joined: Nov 2009

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I was thinking ignition coil, but yeah, need more data.

Aug 24, 2012 | 08:17 PM

Colie111

Thread Starter

4th Gear

Joined: Aug 2012

Posts: 4

Likes: 0

From: St Catharines Ontario

Quote:

Originally Posted by Colie111

I have a '78 L48 Original car. My problem is when the car heats up it will not start. Let it sit and cool down and it starts??? I have replaced the Battery and the Alternator.

The Car does nothing No sound for at least a couple of hours when it cools down.

Aug 24, 2012 | 08:18 PM

Colie111

Thread Starter

4th Gear

Joined: Aug 2012

Posts: 4

Likes: 0

From: St Catharines Ontario

Quote:

Originally Posted by Colie111

The Car does nothing No sound for at least a couple of hours when it cools down.

Aug 24, 2012 | 08:49 PM

texas jim

Racer

Joined: Oct 2003

Posts: 424

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From: Killeen Texas

Possibly a bad starter. Get it checked. When the starter gets hot, it shorts out and when it cools off, the epoxy hardens and separates the shorting wires again, in either the armature or stator. I'm guessing that's it.

Aug 25, 2012 | 05:02 PM

Colie111

Thread Starter

4th Gear

Joined: Aug 2012

Posts: 4

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From: St Catharines Ontario

Quote:

Originally Posted by lvmyvt76

tell us more of the problem, like no crank when hot, or slow crank when hot,etc. That way we can help more.

There is no crank or noise of any kind. But if I boost it it cranks and starts just fine.

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Aug 25, 2012 | 10:24 PM

texas jim

Racer

Joined: Oct 2003

Posts: 424

Likes: 9

From: Killeen Texas

starter.

Aug 25, 2012 | 10:44 PM

#10

74modified

Burning Brakes

Joined: Oct 2008

Posts: 1,037

Likes: 14

From: Mobile Alabama

If it was just the starter, the solenoid would click. No sound at all means you have no solenoid function. The solenoid could be bad, but a common problem is heat soak causing the solenoid coil to be weak magnified by old switches and wiring.
http://forums.corvetteforum.com/c3-t...sometimes.html

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