| [GMCnet] TRC: do without? [message #76658] |
Sun, 14 March 2010 20:38  |
Denis Leconte
Messages: 22
Registered: July 2007
Karma:
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Junior Member |
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My coach is a California model, which means it has the TRC (Throttle Return Control), whose only function in life is to gently return the throttle to idle upon deceleration. It uses a rather considerable amount of hoses, a vacuum control solenoid, a vacuum control valve and a throttle lever vacuum actuator, just do to that.
My TRC parts are all broken. The solenoid, in particular, basically fell apart as soon as I touched it, so did the throttle level actuator. The vacuum control valve may be OK, not entirely sure.
I am wondering whether I should attempt to rebuild this subsystem, or whether I could do without - given its rather limited use (very transient emissions reduction).
The big questions are:
- Will it harm anything to not reinstall it? (Since this was a California-only option, I'd be inclined to thing that it would work fine without...)
- The dreaded question, is it a requirement to pass the smog test? Do they check for this?
- And finally, if I do have to rebuild/reinstall it, where might I find these parts? I definitely need the solenoid and the actuator, and possibly also the control valve...
I'd appreciate any insights on this! I'm quite concerned about that...
--
Denis Leconte - denis_leconte@yahoo.com
1977 Eleganza II - 455 engine - Los Angeles, CA
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