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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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 Posted: Sun Nov 18, 2012 7:27 pm Post subject: Cranks Won't Start Test |
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To link to this thread
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| [url=http://www.thesamba.com/vw/forum/viewtopic.php?t=535382&highlight=]Cranks Won't Start Test[/url] |
These are the first things I grab to isolate a cranks won't start problem.
Starter Fluid. If it fires on this you have a fuel problem.
Please read and understand the directions.
Spark Tester. No Spark you have an Ignition problem.
Be aware these are made for both Points Ignition, which includes electronic points, ie Pertronix etc.
and HEI (high energy ignition) systems.
So get the one you need for your vehicle and read and understand the instructions.
Link
Or if you don't have those on hand.
As mentioned first thing you need to do is determine if it is
1. Fuel
Pour a couple of table spoons of gas down the carburetor throat and try and start it.
If it starts or tries to, it is a fuel problem.
2. Electrical
Test for spark. What you are looking for is a nice hot blue flame. Not an Orange or Yellow flame they are too cold.
Last edited by Tcash on Tue Jul 25, 2017 10:33 pm; edited 10 times in total |
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VDubTech
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Joined: December 29, 2002
Posts: 9142
Location: Syracuse, NY
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| Posted: Sun Nov 18, 2012 7:32 pm Post subject: |
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Unless you really like a cracked piston, stay away from starting fluid. Is there a point to your post?
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http://www.thesamba.com/vw/forum/viewtopic.php?t=279077&highlight=
| borninabus wrote: |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51126
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Nov 18, 2012 7:40 pm Post subject: |
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Indeed, why the starting fluid? OWCH!!!! A spoonfull of gas will do the same thing without the needless super low octane and permanent engine damage.
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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| Posted: Wed Jun 03, 2015 8:38 pm Post subject: Re: Cranks Won't Start |
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| Tcash wrote: |
These are the first things I grab to isolate a cranks won't start problem.
Starter Fluid. Please read and understand the directions. If it fires on this you have a fuel problem.
Spark Tester. No Spark you have an Ignition problem. Be aware these are made for Points Ignition and Electronic Ign. So get the one you need for your vehicle and read and understand the instructions.
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lil-jinx
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Joined: August 14, 2013
Posts: 1109
Location: New Brunswick,Canada
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Thu Jun 04, 2015 7:57 am Post subject: |
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I had read WD-40 was not that flammable so once I cleaned a small saw motor bearing of sawdust using it. The saw became a small jet engine the first time it was used, throwing flames about 3'.
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bbrowncods
Samba Member
Joined: December 27, 2014
Posts: 58
Location: Virginia
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| Posted: Mon Jan 29, 2018 3:16 pm Post subject: Re: Cranks Won't Start Test |
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| I once sprayed out a distributor with WD-40 and put the cap back on. Got in to crank it up. I heard a pop and it wouldn't start. Went back and opened the lid. The distributor cap was in about a thousand pieces! |
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