My sister's MSM won't make boost for some reason...ideas, give them to me
#1
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My sister's MSM won't make boost for some reason...ideas, give them to me
It threw a belt last weekend at the track and apparently it took somewhere between 2-4 hours for several men to replace the belt...lots of stuff was removed. Then, it threw the belt off the next day on the way to work.
Soooooooooooooooooo I went over to my Sister's to replace a water pump belt (20-minutes, not 2-hours)and now that the car is back together it won't make any boost. It looks like all vac-hoses are hooked-up, none leak, and the boost-solenoid is connected. However, I'm concerned that it may be a mechanical issue since its making no boost and I can't hear the turbo spin-up, I'd expect too much boost if it were a vac-hose or boost control problem.
There are a lot of electronics in this car so I don't trust my judgment here. Any ideas on where I should start if:
every electrical connection is plugged-in
vac-hoses are connected properly
no disconnected intercooler piping
wastegate actuator moves with the aid of pliers
blow-off valve is still springy feeling, but a little soft compared to my tial and bosch valves
Here is a nifty diagram to reference:
p.s. My home-grown turbo car is more reliable and easier to work on than modern ****.
Soooooooooooooooooo I went over to my Sister's to replace a water pump belt (20-minutes, not 2-hours)and now that the car is back together it won't make any boost. It looks like all vac-hoses are hooked-up, none leak, and the boost-solenoid is connected. However, I'm concerned that it may be a mechanical issue since its making no boost and I can't hear the turbo spin-up, I'd expect too much boost if it were a vac-hose or boost control problem.
There are a lot of electronics in this car so I don't trust my judgment here. Any ideas on where I should start if:
every electrical connection is plugged-in
vac-hoses are connected properly
no disconnected intercooler piping
wastegate actuator moves with the aid of pliers
blow-off valve is still springy feeling, but a little soft compared to my tial and bosch valves
Here is a nifty diagram to reference:
p.s. My home-grown turbo car is more reliable and easier to work on than modern ****.
#3
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I checked your GF with my dipstick a couple times. She said my masculinity and sexuality triggered a physiological response stronger than any she ever experienced with a man outside of a few select NBA teams.
#4
I'm glad it's all in jest.
I would guess that something isn't right, electrically, that is prompting the ECU to tell the boost controller thingy to bleed off all pressure.
If it were mechanical (besides locked up turbine shaft) I'd expect it to still make at least a few pounds. Not going over 100kPa sounds like an engineered nanny to me.
#7
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I would guess that something isn't right, electrically, that is prompting the ECU to tell the boost controller thingy to bleed off all pressure.
If it were mechanical (besides locked up turbine shaft) I'd expect it to still make at least a few pounds. Not going over 100kPa sounds like an engineered nanny to me.
If it were mechanical (besides locked up turbine shaft) I'd expect it to still make at least a few pounds. Not going over 100kPa sounds like an engineered nanny to me.
Its time for my sister to get away from this modern crap and get an NA.
#9
How does the wastegate open to stay at 100kpa if there is no boost to put it there? What spring is in the wastegate? Is there any way to check these sensors and solenoids or is this more dealer drama?
Its time for my sister to get away from this modern crap and get an NA.
Then again they did put a tiny, outdated, and weak IHI on those cars, so wouldn't be surprised if it's '50s tech.
#11
if the turbo wasnt spinning (or more likely, the compresor wheel being fucked) you'd know it. This sounds like the ecu is being a *** like usual. Its either the ecu, the stock boost solenoid, or the stock bypass valve. Quit being a puss and slap on a manual boost controller, loop that **** stock piece, and it wouldnt hurt to try a different bypass valve, that stock piece is also fuckall worthless.
#12
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The brakes are still not here. Fed Ex says they were in Dallas, but then they went back in transit to Atlanta for some reason. Now they're back on their way to Dallas.
#13
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if the turbo wasnt spinning (or more likely, the compresor wheel being fucked) you'd know it. This sounds like the ecu is being a *** like usual. Its either the ecu, the stock boost solenoid, or the stock bypass valve. Quit being a puss and slap on a manual boost controller, loop that **** stock piece, and it wouldnt hurt to try a different bypass valve, that stock piece is also fuckall worthless.
What should my target MAP be? I guess I need to find a spare boost gauge.
#14
How exactly would that prevent boost except for boost cut? And you would KNOW if it was boost cut.
Cant lower boost below the wastegate minimum.
Ok, that would could be leaking to the point where you wouldn't make any boost. And because it is recirculated, you could theoretically leak all of the positive pressure through it and get a proper airflow signal, but I seriously doubt it. If that thing was leaking enough air that you got absolutely NO positive pressure at the manifold you would probably get some sort of weird reversion after the MAF that would cause fucked up airflow readings = the car would run like total and complete ****.
the stock boost solenoid,
or the stock bypass valve.
#16
Its not that I like to start with the most difficult expensive ****, its that I like starting with the most logical. As much fun as it would be to chase magical boost leaking unicorns with rainbows coming out of their asses, I could just as easily save myself from wasting time and undo a few hose clamps, stick my fingers in the inlet of the turbo and give it a twirl (insert comment about your mom/sister/girlfriend/I'm getting lazy).
#17
after checking a few threads over on the gay forums, I have found that 2 people have had this happen before on stock or near-stock MSM cars.
One guy had a leak post intercooler, and the other had a wastegate flapper that was stuck wide open.
The wastegate arm (at the turbine outlet, not the actuator visable from outside) is notoriously ****, so that seems plausible to me.
One guy had a leak post intercooler, and the other had a wastegate flapper that was stuck wide open.
The wastegate arm (at the turbine outlet, not the actuator visable from outside) is notoriously ****, so that seems plausible to me.
#18
after checking a few threads over on the gay forums, I have found that 2 people have had this happen before on stock or near-stock MSM cars.
One guy had a leak post intercooler, and the other had a wastegate flapper that was stuck wide open.
The wastegate arm (at the turbine outlet, not the actuator visable from outside) is notoriously ****, so that seems plausible to me.
One guy had a leak post intercooler, and the other had a wastegate flapper that was stuck wide open.
The wastegate arm (at the turbine outlet, not the actuator visable from outside) is notoriously ****, so that seems plausible to me.
#19
If the arm is hooked up, the flapper is a very likely candidate. This scenario happened to me (non-MSM). That being said: taking off the intake and spinning the wheel does make sense as a first step since it takes considerably less time than removing the DP.
We can solve this issue much faster if you post nudes of your sister holding her turbo and manifold. Thank you.
We can solve this issue much faster if you post nudes of your sister holding her turbo and manifold. Thank you.
#20
That picture is clearly wrong about #1. The charcoal canister on NBs is actually located behind and below the pass seat under the car. That tank is more of a fuel vapor catch can and contains no charcoal. With that said, I would not trust all the other labels and numbers, they could be wrong as well.
How does the car drive? Like normal in vac? What happens at WOT? Is the car bone stock?
How does the car drive? Like normal in vac? What happens at WOT? Is the car bone stock?