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DnS421 Samba Member
Joined: November 30, 2021 Posts: 2 Location: Tennessee
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Posted: Tue Nov 30, 2021 11:43 am Post subject: 1972 beetle hard to start when hot. |
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Hey guys so my wife has a 1972 standard beetle and when it gets hot it gets hard to start sometimes almost impossible, what happens is that the motor will spin freely until a certain spot and then the key does nothing, no cranking or clicking nothing at all and the motor will be almost stuck, take a wrench and spin the motor past the stuck spot and it will crank over again. What could this be?? |
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Cusser Samba Member
Joined: October 02, 2006 Posts: 31378 Location: Hot Arizona
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Posted: Tue Nov 30, 2021 1:48 pm Post subject: Re: 1972 beetle hard to start when hot. |
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That sounds like a bad starter from what you describe.
I recommend a self-supported autostick starter as then you don't need to worry about replacing the starter bushing. And actually has a little more power. _________________ 1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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Starbucket Samba Member
Joined: April 30, 2007 Posts: 4025 Location: WA
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Posted: Tue Nov 30, 2021 3:06 pm Post subject: Re: 1972 beetle hard to start when hot. |
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How are you starting it when hot? The starter shouldn't have to spin that much when the motor is hot, next time you take a drive when you park go out and remove the air cleaner and look down the carb. for gas leaking on the throttle plate and flooding the motor making it hard to start, float level might be too high or need a formica insulator block under the carb. to keep the gas from boiling over. Never pump the gas pedal when the motor is hot just step down on the pedal and hold it on the floor and hit the starter until it starts. |
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mukluk Samba Member
Joined: October 18, 2012 Posts: 7028 Location: Clyde, TX
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Posted: Tue Nov 30, 2021 3:13 pm Post subject: Re: 1972 beetle hard to start when hot. |
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DnS421 wrote: |
Hey guys so my wife has a 1972 standard beetle and when it gets hot it gets hard to start sometimes almost impossible, what happens is that the motor will spin freely until a certain spot and then the key does nothing, no cranking or clicking nothing at all and the motor will be almost stuck, take a wrench and spin the motor past the stuck spot and it will crank over again. What could this be?? |
Sounds to me like you have fuel leaking down the intake which is hydrolocking a cylinder after a hot shutdown. _________________ 1960 Ragtop w/Semaphores "Inga" |
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DnS421 Samba Member
Joined: November 30, 2021 Posts: 2 Location: Tennessee
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Posted: Tue Nov 30, 2021 8:35 pm Post subject: Re: 1972 beetle hard to start when hot. |
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Cusser, self supported auto stick? As in the transmission because I’ve heard horrible things about those?
Starbucket, I don’t press the gas pedal at all, I know there’s a recommended procedure for starting hot and cold but I never knew exactly what it was.
Mukluk, what exactly would you recommend if that’s the case? |
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mukluk Samba Member
Joined: October 18, 2012 Posts: 7028 Location: Clyde, TX
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Posted: Tue Nov 30, 2021 9:44 pm Post subject: Re: 1972 beetle hard to start when hot. |
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If it is a fuel leak induced hydrolock, further investigation will be needed to figure out how to stop it. There may be a fault with the carburetor itself causing it to leak, the fuel pump allowing fuel to siphon from the tank after shutdown, the engine running too hot in general, or some other issue allowing the fuel in the line/pump/carburetor to boil as the engine bay heat soaks. _________________ 1960 Ragtop w/Semaphores "Inga" |
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Cusser Samba Member
Joined: October 02, 2006 Posts: 31378 Location: Hot Arizona
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Posted: Wed Dec 01, 2021 7:41 am Post subject: Re: 1972 beetle hard to start when hot. |
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DnS421 wrote: |
Cusser, self supported auto stick? As in the transmission because I’ve heard horrible things about those? |
That's what I would get myself unless I had the engine out already (bushing is simple R&R with the engine out). Many folks ignore the starter bushing replacement when they install a replacement "standard" starter.
Here's what my starter bushing looked like after 260K miles, on the right
_________________ 1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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