Re: {Chrysler 300} Slow starting when the engine is hot

[John Grady <jkg@xxxxxxxxxxxxxxxxx>]

i had one hell of a time with this when 16 yo !

And saw it later on other chrysler starters ,this on one  year old dodge in 1960 318 

So new battery , new generator timing ok starter turns too slow . And battery showing high charge rates new regulator ( had few $then!) 

What happens is the insulating phenolic bushing where the main power goes into the starter on those with no solenoid on top , maybe the others too , gets loose because phenolic shrinks or someone overtightened the nut under the wire terminal . The phenolic cracks , the main stud touches the frame shorting out most of the power but only while cranking . 

So be sure that nut is reasonably tight before putting on heavy wire so it cannot move sideways , or be loose ,  take it easy on upper nut . if you spin stud you destroy starter inside AND cause this short . 

been there 3 times over the years twice fixing what someone else did 

Sent from my iPhone

On Apr 1, 2024, at 1:59 PM, Dan Plotkin <dplotkin@xxxxxxxxxxxxxxxxxxx> wrote:



First thing to do is figure out what is wrong. Slow crank is a symptom. I would want to know, for example, what the starter current draw is during this slow, hot crank episode. A tired battery can crank well cold and slow hot. I once changed a starter because of it. I said “heck, has to be the starter” but it wasn’t. The new starter behaved the same way. The battery was spitting the bit when hot. Have the battery load tested, after you determine that the cables are clean and tight, before you change the starter.

 

Also, check your timing to be sure it’s not too far ahead and fighting the starter.

 

Danny Plotkin

 

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx [mailto:chrysler-300-club-international@xxxxxxxxxxxxxxxx] On Behalf Of jegert930
Sent: Monday, April 1, 2024 12:50 PM
To: Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: {Chrysler 300} Slow starting when the engine is hot

 

my 1960 Chrysler starts easily when cold, but when the motor is up to full running temperature and the engine is turned off and then I try to start it again, the starter spins slowly and I am unable to get the car started. Is there a recommendation for a high torque low geared starter to solve this issue?

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