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  #11  
Old 10-25-2021, 10:03 PM
petehowell's Avatar
petehowell petehowell is offline
 
Join Date: Jan 2005
Location: MN
Posts: 2,323
Default Follow up.......

This past weekend on a tailgating trip to Ames, the LS starter spun slowly again. So I pulled the solenoid, got a free replacement and put it all back together. Really an easy repair. Easier than on a 2005 Crown Vic!

Initial solenoid went 1865 hours, this BWD S5613 went about 635 hours. I'll not complain. It was a good chance to clean contacts as well.

Maybe it is worth changing every 10 oil changes or so........
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Amateur Plane - RV-9A N789PH - 2600+ Hrs
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  #12  
Old 10-26-2021, 06:50 AM
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BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
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Default

Quote:
Originally Posted by petehowell View Post
This past weekend on a tailgating trip to Ames, the LS starter spun slowly again. So I pulled the solenoid, got a free replacement and put it all back together. Really an easy repair. Easier than on a 2005 Crown Vic!

Initial solenoid went 1865 hours, this BWD S5613 went about 635 hours. I'll not complain. It was a good chance to clean contacts as well.

Maybe it is worth changing every 10 oil changes or so........
Thanks for the update Pete! I had a cracked solder joint that plagued my starts with clicks from Hobbs 12 to 180 hrs.

For others reference, there is also a "Standard Brand" number SS754 for this solenoid. Rockauto has the best price (~$20) but O-Reillys (~$40) was purchased for time sensitive flight. Genuine Ford Part Number F6VZ11390A . . . maybe useful for non USA locations

I am beginning to ponder a personal parts department for inventory management.
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Last edited by BillL : 10-26-2021 at 06:57 AM.
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  #13  
Old 10-26-2021, 08:14 AM
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bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
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Default

Quote:
Originally Posted by BillL View Post
Thanks for the update Pete! I had a cracked solder joint that plagued my starts with clicks from Hobbs 12 to 180 hrs.
Has anyone attempted to re-flow the solder pool?

I'm thinking the Weller pencil type with the wide tip (3/16" or 1/4") would work ... or break out Dad's Weller "Space Gun" (8250A), that would definitely work
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  #14  
Old 10-26-2021, 08:20 AM
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petehowell petehowell is offline
 
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Location: MN
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Default Frickin' Lasers!

Quote:
Originally Posted by bjdecker View Post
... or break out Dad's Weller "Space Gun" (8250A), that would definitely work

Pew, Pew Pew Pew!! Laser "space gun" sounds.......
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  #15  
Old 10-26-2021, 08:48 AM
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hgerhardt hgerhardt is offline
 
Join Date: Oct 2006
Location: torrance, ca
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For those with cracked solder joints, it would be a good idea to flow a piece of shielding braid from a multi-conductor cable into the solder pool to help reinforce it. This is the same idea as fiberglass+resin composite.
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  #16  
Old 11-22-2021, 06:00 PM
dmattmul dmattmul is offline
 
Join Date: Dec 2015
Location: Spring Hill, FL
Posts: 416
Default To jump or not to run a jumper

A tech friend advised me that I should not jump the B+ and S terminal on my Sky Tec 149NL and use this in the starter enable/disable switch to turn off the circuit manually so there was not a possibility of the starter engaging when the engine is running. I've researched this and can not find any information. I do use a switch to disable the starter. Also using VPX. Is there a concern of solenoid closing at the wrong time? The VPX does have a start circuit that turns off positive 12 volts over 600 RPM. Is this a concern?
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  #17  
Old 11-23-2021, 07:06 AM
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uk_figs uk_figs is offline
 
Join Date: Jan 2005
Location: Tulsa, OK
Posts: 1,254
Default

Quote:
Originally Posted by petehowell View Post
This past weekend on a tailgating trip to Ames, the LS starter spun slowly again. So I pulled the solenoid, got a free replacement and put it all back together. Really an easy repair. Easier than on a 2005 Crown Vic!

Initial solenoid went 1865 hours, this BWD S5613 went about 635 hours. I'll not complain. It was a good chance to clean contacts as well.

Maybe it is worth changing every 10 oil changes or so........
Having the same issue and assumed the PC680 needs to be replaced (6 years old), why does the solenoid cause slow cranking?
Figs
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  #18  
Old 11-23-2021, 07:28 AM
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BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
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Quote:
Originally Posted by dmattmul View Post
A tech friend advised me that I should not jump the B+ and S terminal on my Sky Tec 149NL and use this in the starter enable/disable switch to turn off the circuit manually so there was not a possibility of the starter engaging when the engine is running. I've researched this and can not find any information. I do use a switch to disable the starter. Also using VPX. Is there a concern of solenoid closing at the wrong time? The VPX does have a start circuit that turns off positive 12 volts over 600 RPM. Is this a concern?
The double solenoid for starting was an issue found back in the RVAviator days and Vans posted it in a newsletter. If it applied then, it applies now. A historian can quote date.

The explanation IIRC was that the starting motor solenoid would get energized (back fed) by the PM motor as the RPM accelerated rapidly during starting. Then it would not release. The firewall solenoid will release.

Quote:
Originally Posted by uk_figs View Post
Having the same issue and assumed the PC680 needs to be replaced (6 years old), why does the solenoid cause slow cranking?
Figs
High resistance.

Quote:
Originally Posted by bjdecker View Post
Has anyone attempted to re-flow the solder pool?

I'm thinking the Weller pencil type with the wide tip (3/16" or 1/4") would work ... or break out Dad's Weller "Space Gun" (8250A), that would definitely work
No way a tiny soldering iron would do this job. Besides, there is a rivet that is supposed to hold that terminal firmly, if it comes loose (mine did) there is a bending moment on the solder joint. I can not honestly say, 100%, that it was not builder induced.

Being stranded at a desolate airport was not worth the $20-40 savings. Although worth having a free spare until . . . . nah. Not going to happen.

Hmmm - - 10 oil changes sounds like a good plan.
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Last edited by BillL : 11-23-2021 at 07:42 AM.
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  #19  
Old 01-20-2022, 12:29 PM
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RC62 RC62 is offline
 
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Thanks Pete for your initial post and follow-up years later. It's really helpful.
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  #20  
Old 01-20-2022, 12:39 PM
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airguy airguy is offline
 
Join Date: Oct 2006
Location: Garden City, Tx
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Quote:
Originally Posted by hgerhardt View Post
For those with cracked solder joints, it would be a good idea to flow a piece of shielding braid from a multi-conductor cable into the solder pool to help reinforce it. This is the same idea as fiberglass+resin composite.
I had the same thing happen at about 300 hours. I was on the ground in Arkansas all loaded up for departure and hit the switch - nothing. I suspected a loose wire on the solenoid coil circuit, and knowing where it was mounted, I held the starter key in the crank position while tapping my right foot on the firewall close to the heater duct, and BINGO, she cranked up. I replaced the solenoid when I got home. On inspection it was obvious the rivet holding it together was loose.
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