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Thursday, September 10, 2009

ART IN THE SHOP: Erica Kremenak “Phenomenology”

imageLG welcomes Erica Kremenak and selections from her series “Phenomenology” beginning September 11th. 

For more on Kremenak and her work, visit ekremenak.com

Join us for a vibrant reception:

Saturday, September 12th
Map to LG

Artist’s Statement:

“I make paintings on canvas using oil bars and paint, dry pigments and washes, brushes and rags.  Often, I invent processes that require touching the surface of the painting with my hands, developing surfaces that contrast repetitive, obsessive, time-consuming procedures with abrupt, accidental moments. The imagery that develops often shifts back and forth between the figurative and abstraction.  Repetitive actions seduce my mind below the surface of thought, where unpremeditated gestures can bring something tangible and meaningful from behind the screen of consciousness out onto the canvas.  Those rare moments in life when the brain scrambles to decode visual input that is not readily interpreted are exciting to me, and I look for ways to reproduce that experience as I work.  Many of my paintings explore color relationships as a kind of emotional sign language.  I enjoy watching colors interact as dramatically as characters in mythology or opera.  Visual interactions between marks and surfaces made with oil paint, dry pigments, and spray paint create complex relationships that I hope will reward patient and persistent examination.”

Carolyn's avatarPosted by Carolyn Permalink Categories: Community » Art »

Thursday, September 03, 2009

Gen 1 Prius code P3130: Inverter System Cooling Malfunction


Prius have two cooling systems: one for the engine and one for the high voltage inverter.  They have two separate fill points (see pic: Carolyn’s left hand is pointing to the inverter reservoir, right to the radiator cap). 

Technicians failing to fill both systems will cause overheating to whichever system is neglected (illuminating the Master Warning Light (red triangle) and the “check engine” light).  I’ve seen this so many times that I’m starting to get angry!!!  I mean, if you don’t know (or can’t figure out) that the car has two cooling systems, you have no business working on it!!!!

To be fair, inverter cooling systems are predisposed to another problem (besides unqualified techs) of failing water pumps.  Gen 2 inverter water pump issues have been discussed previously: Prius Code P0A93: Inverter Water Pump Failure.  But 2001, 2002, and 2003 Prius have the same problem.  image

At the moment we have three Gen 1 Prius here with inverter cooling issues (with P3130 stored), to which I dedicate this blog.

When Gen 1 Prius inverters overheat, they set a trouble code P3130: Inverter Cooling System malfunction.  The next step is to pop the hood and look at the reservoir.  Does it have coolant?  If not, there is problem #1.  Of the three cars here, one was simply left unfilled (system overlooked); the second had the imagedrain plug left loose and consequently lost all its coolant down the road (see pic of dried coolant trail). 

If the car has coolant, the next question is whether it’s flowing.  Remove the cap on the inverter reservoir (the one ATTACHED to the inverter) and look for turbulence.  No turbulence?  The car either has air in the system or the pump is stopped. 

Find the pump (hint: it’s behind the driver’s headlamp assembly) and put your hand on it.  Is it vibrating?  Then there’s probably air in the system prohibiting coolant flow.  (In this case the pump should also be noisy; you can massage the hoses to work the air out of the system; when it’s quiet and you confirm turbulence in the reservoir, you’re done.)  It is possible that the motor is running but the impeller has broken free, in the case that you have vibration but no noise and no turbulence.  I have never seen this, but it’s possible.  Let common sense guide you.

No vibration?  Check the power and ground to the pump, at the connector.  I use a noid light; when it illuminates I know the pump is bad; otherwise troubleshoot the circuit. 

Of the three cars here, one has a seized pump (it just went bad on its own, which is common); the one with the missing coolant was also disconnected from power (I will have to check it once I fill the system) with the pump actually tucked under the inverter (!) so it appeared to be missing; the third one—with the loose drain plug—has a powered pump that’s now seized from being run without any coolant in the system (which also cools the motor and probably lubricates it too).

To fill and bleed the cooling system LG charges $80 plus tax:

imageLabor: $60
1 Gallon Super Long Life Coolant: $20

To replace the pump costs $380 plus tax:

Labor: $240
Inverter Water Pump G9020-47022: $140

(Pic of three inverter water pumps today: two for cars and one for inventory)

Carolyn's avatarPosted by Carolyn Permalink Categories: Repair »


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