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Tuner
2005 ssr LS2 fan problem
I started by doing a read entire on the truck, when I looked at the tune it had fan type blank.
I went into the tun repositroy and found teh fan type to be discrete, so I changed it. Ever since I uploaded the new tune the truck has an overheating issue. I see in the scscanner that the ocmputer is commanding both fan 1 and fan 2 on properly, but the truck is not cooling now??
Only thing odd to me is that this truck has only one fan, yet the computer is setup for two?
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Senior Tuner
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Tuner
update:
went to stock tune, no luck. Truck developed a mechanical coincidentally when i worked on it..
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Tuner
final update..
needed an update from hp tuners to 2.1.19 no reads fans correctly when flashing..
also truck was a gallon low on coolant, once that was added it soloved all problems
Thanks for the quick responses Bill!
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Potential Tuner
SSR Cooling issues
Just as a side note: If you are not already aware the SSRs have well established history of fan failure. There are aftermarket options that are SIGNIFICANT improvements.
Definite recommendations:
1. Upgrade to aftermarket fan.
2. Set fan turn-on temperatures lower using HP Tuners.
Aftermarket fan sources:
1. www.simple-engineering.com
2. Colvin Automotive in Austin, Texas
The Colvin fan is a very good dual Spal fan drop in for the stock fan. The simple-engineering link has a couple of excellent options including a better radiator.
Lots of information at www.ssrfanatic.com