starting
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Freshman User
Joined: Apr 2000
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starting
My 84 300 won't always start when hot. Turns over 1 rev then locks up like the ignition timing is way advanced. Have checked starter, cables, battery, timing, and engine temp. All ok. Doesn't do it every time, but when it does, it won't start unless jumped. New battery and cables and starter.
I also disconnected the spout connecter at the distributor to kill the advance. Still locks up.
Anyone run across this? Thanks
I also disconnected the spout connecter at the distributor to kill the advance. Still locks up.
Anyone run across this? Thanks
New User
Joined: Mar 2001
Posts: 23
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starting
I've heard of this before, but I'm not sure if it applies to Fords as much as Chevies. What happens sometimes, is that your starter gets hot from being bolted to the hot engine, and when it gets hot enough, the moving parts inside actually expand just enough to create friction with the case, so they won't turn freely until they cool down. By jumping it, you're apparently putting enough voltage to it to overcome this. I'm anxious to hear some of the other responses to this post, because this has happened to me, and after jumping it to get it started, it hasn't happened since.
'81 Flareside
300/6
4 spd
3.31 gears
31" tires
'81 Flareside
300/6
4 spd
3.31 gears
31" tires
Postmaster
Joined: Jul 1999
Posts: 3,172
Likes: 4
starting
Like the other post mentioned , Heat is likely the cause of the problem . Where did you purchase the starter ? Ive seen a lot of these lifetime warranty parts like starters etc that really leave a lot to be desired . The Lifetime Warranty usually means youll spend a lifetime changing them every few months .
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Freshman User
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starting
Bought the starter at a local parts store-Parts Plus. Actually this is the second starter. First one did burn out before I replaced the cables. Seems to be a little better after the new battery, but the lockup is still there.
New User
Joined: Mar 2001
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starting
Another thing that came to mind... You said that when it happens, the only way to restart it is to jump it. Have you ever let it sit and cool down to see if that would work? If so, you've pretty much isolated the problem to heat.
'81 Flareside
300/6
4 spd
3.31 gears
31" tires
'81 Flareside
300/6
4 spd
3.31 gears
31" tires
New User
Joined: Jun 2001
Posts: 9
Likes: 0
starting
Hey, I know this post is a couple of months old, but I was searching to see if anyone else is having the same problem hot starting as I was and I found your problem here.
I just changed the starter on my '85 F150, 300ci, 4 speed, last week because it finally died after having the same problem as yours -- hesitation and hard to crank when warm.
I put in the new starter and it turned over beautiful when the engine was cold. I went for a ride around the neighborhood, shut off the car when I got home, tried to start it and the same old problem -- a lot of hesitation from the starter.
There are starter covers that you can buy from JC Whitney that say they block out a lot of the heat from the engine. I know that my starter is right between an old catalytic converter (known to be warm enough to start a fire if you park on a pile of leaves) and the headers.
I am going to invest in a cover myself. (That and getting a new coolant recovery tank will hopefully fix my problem. because my engine is pissing antifreeze out of an open system right now)
If any one else has any other suggestions, I would love to hear them. This is a problem that has been bothering me since I got the truck in March.
I just changed the starter on my '85 F150, 300ci, 4 speed, last week because it finally died after having the same problem as yours -- hesitation and hard to crank when warm.
I put in the new starter and it turned over beautiful when the engine was cold. I went for a ride around the neighborhood, shut off the car when I got home, tried to start it and the same old problem -- a lot of hesitation from the starter.
There are starter covers that you can buy from JC Whitney that say they block out a lot of the heat from the engine. I know that my starter is right between an old catalytic converter (known to be warm enough to start a fire if you park on a pile of leaves) and the headers.
I am going to invest in a cover myself. (That and getting a new coolant recovery tank will hopefully fix my problem. because my engine is pissing antifreeze out of an open system right now)
If any one else has any other suggestions, I would love to hear them. This is a problem that has been bothering me since I got the truck in March.
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Elder User
Joined: Apr 2001
Posts: 772
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From: Glen Burnie Maryland
starting
Heat and electricals don't mix well. When motors, and cables heat up, they have a higher resistance value. If your pushing 200 amps to start the engine and your trying to do that Hot with 6 gauge wire (standard stuff) the amp load goes up and volts go DOWN!
Try getting some 24volt 2 gauge DIESEL battery cables.. (Kinda like getting monster cables for your stereo speakers...bigger cable meaning less resistance to start with.)
I had the same problem with my F-150. Went down to the local welding supply house and got some 2 gauge welding cable with heavy insulation. cost about 3.00 per foot. Heavy duty crimp connectors (brass) and hooked to battery with Marine Terminals.
NO MORE PROBLEM. Starter turns over faster due to more voltage, Heat induced resistance is negligible.
Larry
Try getting some 24volt 2 gauge DIESEL battery cables.. (Kinda like getting monster cables for your stereo speakers...bigger cable meaning less resistance to start with.)
I had the same problem with my F-150. Went down to the local welding supply house and got some 2 gauge welding cable with heavy insulation. cost about 3.00 per foot. Heavy duty crimp connectors (brass) and hooked to battery with Marine Terminals.
NO MORE PROBLEM. Starter turns over faster due to more voltage, Heat induced resistance is negligible.
Larry
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Senior User
Joined: Mar 2000
Posts: 337
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starting
my truck has done the same thing, i get it hot and it wont start, the batteyr will act dead, id have to choke the motor, to start it, sometimes the starter would weaken so much, id have to push start it, the starter is now fried, ive even seen smoke come off of it from getting so hot, i have it appart now , the brushed were gone, the whole inside smelled of burnt plastic+ oil. and the bearings were scored up, i have to push start it for now, im gonna get a new starter, im also gonna rig up a stainlees steel heat shield.
John M Floyd
1986 Ford F150 XL 2WD
300 c.i.d. inline six
4 speed manual (TOD)
John M Floyd
1986 Ford F150 XL 2WD
300 c.i.d. inline six
4 speed manual (TOD)
New User
Joined: Jun 2001
Posts: 9
Likes: 0
starting
We're all fixed up and starting like a champ now. (The only problem now is I can't stop her from running, heh heh. I got a dieseling problem caused by a hot engine, vacuum surging, and high idle that I am in the process of fixing.)
Here is an update:
The velcro-wrap heat shield that I bought from JC Whitney helped out. I did that first, but I didn't stop there.
It was already a new starter so I bought new battery/starter cables (4 gauge) and put heat shrouding on them. I also replaced the starter relay.
She turns over great now. I don't even have to give her gas.
Here is an update:
The velcro-wrap heat shield that I bought from JC Whitney helped out. I did that first, but I didn't stop there.
It was already a new starter so I bought new battery/starter cables (4 gauge) and put heat shrouding on them. I also replaced the starter relay.
She turns over great now. I don't even have to give her gas.
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