deprogramming f45 after conversion to zo6 shocks
Is anyone familiar with a chevrolet garage who is expert in deprogramming my selective ride module now that I have installed new zo6 shocks. i told my local dealer they needed to do that but of course they were knowledgaeble than me. now I have 3 warning messages showing. Any info would be appreciated:cool:
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If U R mechanically inclined Y not do the Radio Shack 10 ohm resistor install on the old F45 wiring.
I did this over 3 yrs. ago on my F45 removal & still OK with no probs. |
If you don't mind, could I get a little clarification on what the f45 is. Thanks.
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Originally Posted by bdog
(Post 1578016999)
If you don't mind, could I get a little clarification on what the f45 is. Thanks.
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Originally Posted by dougbfresh
(Post 1578018043)
A suspension option that used magnetic shocks to change dampening-very expensive to replace.
About the the F45 - to - F55 upgrade...I emailed an engineer at GM and the following is what he emailed back: Thanks for your kind words, and interest in our Magnetic Ride technology. The short answer to your question is 'no.' There is a bit of a relationship between the previous F45 real time damping system and the new F55 Magnetic Ride Control system. They use quite similar computing and electronics to analyze the road surface, yaw rate, steering wheel angle, wheel position, etc to determine the appropriate damping rates. However, the new system has much, much more capability. And, to your question, it is not really compatible with the previous F45 system. The new F55 system uses the world's first "valveless" shock dampers, using magnetorheological technology (hence the "magnetic ride" name). F45 (like almost all similar shock dampers on all cars) used articulating valves to operate the shock damper. The magnetic ride system uses magnetically-charged fluid instead of valves to actuate the shocks. The computer system takes in all the data listed above to determine the correct damping rate at all 4 wheels independently and continuously -- much like what F45 did. Here's the difference: The system sends an electric current to each damper. The fluid in the dampers contain tiny iron particles that react magnetically to that electric current and that's what governs the shock damping. This happens within just a few milliseconds -- about 5 times faster than F45, which relied on normal mechancial valves that are much slower than magnetic energy. Without the Magnetic Ride shock dampers, which are only on Corvette (with the F55 option), Cadillac STS and Cadillac XLR there is no way you could mimic this system. This technology is a "first" developed by GM and Delphi. Even if you could obtain the shocks someday, there are extremely specific electronic calibrations and tuning that make the entire system work properly. I have heard that some aftermarket companies are trying to develop something like this. And perhaps those would work to some extent, I don't know. I do know that the algorithms and requirements dialed into our system are extremely complex and well-researched for the exact driving dynamics our engineers desire -- we have engeineers who've literally been developing this stuff for 20 years, not the kind of thing that can be easily duplicated or adapted, frankly. The F45 was a "first generation" attempt at this kind of technology. But in the 1990s, the magnetorheological dampers were not yet perfected. So, it was the best we could do at the time, and it results in a very pleasing ride system. The new MR system takes advantage of the electronic controls pioneered by that system -- but now we have shock dampers that are greatly more sophisticated. The result is smooth, well controlled ride motions that we can tailor to a much more precise degree. F45 was good, but the new system is the full realization of the technology. |
Yes any chevy dealer can do it. You need a Tech II device. make sure you unplug the F45 control boxes in the rear trunk before deleting the option otherwise it will not delete.
See post #6: http://forums.corvetteforum.com/c5-t...ing-tech2.html |
Originally Posted by FKING1
(Post 1578016932)
If U R mechanically inclined Y not do the Radio Shack 10 ohm resistor install on the old F45 wiring.
I did this over 3 yrs. ago on my F45 removal & still OK with no probs. Rich |
Originally Posted by 2vetteguy
(Post 1578016751)
Is anyone familiar with a chevrolet garage who is expert in deprogramming my selective ride module now that I have installed new zo6 shocks. i told my local dealer they needed to do that but of course they were knowledgaeble than me. now I have 3 warning messages showing. Any info would be appreciated:cool:
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Originally Posted by bdog
(Post 1578021793)
It looks like this is a mod I would like to do aswell. I have the adjustable shocks. They have 90,000 miles and ride like garbage....
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Originally Posted by 65GGvert
(Post 1578021991)
I never knew you could get adjustable shocks on a Z06. Were they available in F55 in 03?
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Originally Posted by FKING1
(Post 1578016932)
If U R mechanically inclined Y not do the Radio Shack 10 ohm resistor install on the old F45 wiring.
I did this over 3 yrs. ago on my F45 removal & still OK with no probs. |
Ya I guess im not really sure... I have a 2001. I do know that I have three ride choices. Touring, sport, and performance ( I think that is what the console reads)
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Originally Posted by 8VETTE7
(Post 1578025523)
That is the F45 ride control option. :thumbs:
I suggest you get yourself a set of C6zo6 shocks ( GMPARTSHOUSE.COM has the best price as I recall) and some resistors from Radio Shack and restore the handeling and ride on the car. They also sell the same thing prepackeged with connectors so there is no soldering if you want to spend the extra $$$ They are called SIMULATORS (not inexpensive) Google C5 F45 Simulators and you will find many places selling them. I personally would do the resistors, they are much less expensive. |
TECH2, 5 minutes, menu, menu, menu..........
I've done it, the 'how to' for the TECH2 is on google ditch the F45 |
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