Won't start when hot.
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New User
Joined: Jul 2006
Posts: 12
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Won't start when hot.
After I drive my truck for a while, and it get's hot, if I shut it off and try to restart it , it won't start. It tries too, but won't. It sounds like a dead battery but everything is new. New alternator, new battery. Only thing I can think of, is possibly a bad starter. But it does not sound bad.
Post Fiend
Joined: Aug 2006
Posts: 20,099
Likes: 7
From: Yorkton Sask
it's your starter or the solenoid for the starter. take a screwdriver and jumper the 2 studs on the solenoid, if it sparks, then the starter is the problem. another thing is to tap the starter a few times with a hammer or something and it might start. this was my experience not that long ago. good luck
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Ford Ignition Modules are famous for overheating. And when that happens, the truck will not start till the module cools. This is one of the first signs the module is about to fail. Next, the truck will die when running. Sooner or later the engine will die and not restart.
New User
Joined: Aug 2005
Posts: 21
Likes: 0
I've had the same issue with my '87 F150 with the 351W motor. When the outside temperature gets to 85 degrees or higher this is what happens:
Key on, turn through to start position:
All lights work, all indicator lights come on:
Audible "click" under hood:
No start - starter does not turn at all
Battery is one year old, correct size/amps
Starter is one year old
All cables are in good condition including grounding points
I removed all wiring from the solenoid mounted on the passenger side front fender well, then cleaned all cable connections with 3M pad. Took wife's toothbrush and cleaned all terminals on the solenoid with WD40.
Put everything back together, making sure the ground (Solenoid to Body) cable made contact with the bolt shaft on the solenoid, and tightened the nuts 'tight'.
Damn thing started on the first hit.
I've heard stories about these solenoids getting hot from heat absorption and this freezes the internal contacts together. When the truck cools (parked under a tree or after the sun goes down) I have no problems.
I bought a two new solenoids today; will mount one tomorrow and carry a spare.
Any comments?
Axel Foley
Charlotte
Key on, turn through to start position:
All lights work, all indicator lights come on:
Audible "click" under hood:
No start - starter does not turn at all
Battery is one year old, correct size/amps
Starter is one year old
All cables are in good condition including grounding points
I removed all wiring from the solenoid mounted on the passenger side front fender well, then cleaned all cable connections with 3M pad. Took wife's toothbrush and cleaned all terminals on the solenoid with WD40.
Put everything back together, making sure the ground (Solenoid to Body) cable made contact with the bolt shaft on the solenoid, and tightened the nuts 'tight'.
Damn thing started on the first hit.
I've heard stories about these solenoids getting hot from heat absorption and this freezes the internal contacts together. When the truck cools (parked under a tree or after the sun goes down) I have no problems.
I bought a two new solenoids today; will mount one tomorrow and carry a spare.
Any comments?
Axel Foley
Charlotte
