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Finally completed and passed 'hostile environment' testing! ..... :) Instead of making this a 355 'bypass only' .... I went ahead and decided...
Great find! .... I replaced quite a few vac hoses where ever I could find/reach them and I can say the idle was noticeably improved ... :)
Wow, looks great! ..... makes me wish I liked Rossa ..... :o
So .... I decided to replace all three of my OE TCUs .... and since I do not use the bypass TC in the exhaust stream .... I decided to make a...
Meguiars makes a good 'plastic' polish .... :) MEGUIARS #17 & #10 Auto Plastic Cleaner & Plastic Polish: Clean and clarify clear plastic...
If the bypass valve is 'locked open' on 5.2 cars ... the bypass flow path has far less restriction and will interrupt, stagnate and in some cases...
Thank you all for the good words .... and with nice thermocouples currently being made as well (drbob101 and christof) .... these erroneous SDL...
Nice work Christof ... :) ........ but I think our thermocouples use the opposite connector ... :o ...... use the 'mate' to the one you used in...
Yes, the cappy would fail in the open position ..... but if the bypass is open when the ECU thinks it should be closed ... it will trigger the...
Sorry, I misunderstood what you said in bold above ..... I though you had that cappy remote option ... :o The 'bypass' connector from the...
Yes, some people replace with aftermarket versions ..... I just used OEM .... depending on the material used, some of the aftermarket bushings...
21 cmHg .... Idle
The bushings I replaced that were seriously worn .... were the wishbone bushings .... replaced them with OEM ..... :) Front wishbones #6 Rear...
Yes, mounting holes are 'stock' ... :)
Dave, since a couple of my TCUs were getting annoyingly intermittent and I had some extra time, I went ahead and finished up the old project ........
Skipp, since you have the manual valve option ..... do you get the P1448 when you do not activate the bypass manually?
Finally completed!! ...... something that has been in and out of 'the works' for more years than I'd like to admit .... :o Most if not all of...
In my 'noise' case, it was suspension bushings ..... :)
355
The OE bypass is 'normally closed' until the ecu powers the bypass solenoid and allows vacuum to the actuator. The cappy bypass is 'normally open'...