No boost, need verification!
11-18-2006, 01:48 PM
#42
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Join Date: Nov 2006
Location: Milton,NH
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Ooohhh Ooohhh! I found it! The BCA is indeed NOT going down all the way. I looked back at a few pics and saw that the lever was no where near 90 degrees down from vertical, so I gave it a shove. It gave and went all the way flat. I disconnected the top BCA hose and it had B-O-O-*-T!!!. So now I just need to know if the BCA is hanging up or the lever that it moves is the culprit. I was afraid to force that lever before, then said screw it and gave it a shove. Can the lever get carboned up over time?
Thanks all for your help thus far and sorry if I led any one of you in the wrong direction!
Thanks all for your help thus far and sorry if I led any one of you in the wrong direction!
11-18-2006, 02:43 PM
#43
DINOSAURUS BOOSTUS
Expert Gearhead
Carboned up to the point of not moving is not a normal issue, but possible. They do get dirty as you can see here on this one I had cleaned up well before this picture.
11-18-2006, 02:44 PM
#44
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Originally Posted by motorhead
Could smallengineguy disconnect and wire the boost control valve in the full boost position and then go drive the car for a short trip without causing any harm to the engine or blower? This would test the blowers actual mechanical ability to produce positive pressure and take all of the control devices out of the equation. At least then we would all know if it is related to the control or the mechanical side of the blower.
I would in no way reccomend this at all.... If there is no Boost it will not be the fault of the charger.... The charger will far outlast the engine with the exception of the Nosedrive coupler and bearings( this will not affect the boost ).... If there is a no boost condition it will either be the BCA or the BCS.... Its plain and simple....
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11-18-2006, 08:20 PM
#48
DINOSAURUS BOOSTUS
Expert Gearhead
Originally Posted by smallengineguy
Do you have to remove the charger to clean it, or can you use something like Seafoam and run it through?
These rotors should be a uniform gray color, solidly coating of epoxy.
This was done with a soaking of over the counter TB cleaner.
11-19-2006, 01:12 PM
#50
Senior Member
Certified Car Nut
A couple bolts/nuts and you can take the BCS and BCA off. Move the wastegate lever by hand to see if it is hanging up. If the lever moves freely, then I'd suspect the BCA rod is binding.