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Old 10-29-2020, 09:14 PM   #1
Vancouver98STi
Scooby Specialist
 
Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Exclamation "The Blob" is taking over my LCD odometer!

I like old horror movies as much as the next guy, but I'm not pleased that the LCD odometer display in my '98 JDM Impreza STi V4 has been overrun by The Blob.

This first image is with no power...




This is with the key turned...




And this is just to show the layout of the V4 instrument cluster...




I suspect The Blob has taken over more LCD odometers than just mine. Has anyone else here experienced this? I've watched several YouTube videos where faulty LCD displays in various electronic items have been repaired. I'm hoping the same can be done with this. Any words of wisdom?

And if you've never seen the original Blob...

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Last edited by Vancouver98STi; 10-29-2020 at 09:32 PM. Reason: Added "The Blob"
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Old 10-30-2020, 06:17 AM   #2
Cougar4
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Member#: 53443
Join Date: Jan 2004
Location: Anchorage, AK
Vehicle:
2001 LL Bean Outback
Winestone

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There may be excessive pressure on the LCD display causing that issue.
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Old 10-30-2020, 03:35 PM   #3
Vancouver98STi
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Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Lightbulb

Quote:
Originally Posted by Cougar4 View Post

There may be excessive pressure on the LCD display causing that issue.
Hmmm... interesting. It would be great if that's all it is and if relieving the pressure eliminates the blob.

Of course, that then begs the question... what would have caused the pressure to develop against the LCD display in the first place?

I'll look into this. Thanks very much for the suggestion.
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Old 10-30-2020, 09:12 PM   #4
Mulder
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02 RAV4 MT
15 WRX/11 CRZ

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The most likely fix will be a replacement speedometer.
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Old 10-30-2020, 10:02 PM   #5
Vancouver98STi
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Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Lightbulb All feedback appreciated

Quote:
Originally Posted by Mulder View Post

The most likely fix will be a replacement speedometer.
That's not what I wish to hear ... but yeah, I realize that's a definite possibility. I'd rather repair or replace just the LCD display, but this may be wishful thinking. So... I'd love to hear from someone who's been able to rectify this issue without the need to replace the whole speedometer/odometer assembly!
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Old 11-02-2020, 11:15 AM   #6
Wayne Suhrbier
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Join Date: Mar 2007
Chapter/Region: South East
Location: Alabama
Vehicle:
2006 STI
OBP

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You could possibly find a lcd that would work on Digikey.com if you need to replace it. 22 years is a long time for a lcd to last.
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Old 11-02-2020, 04:23 PM   #7
Vancouver98STi
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Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Lightbulb

Quote:
Originally Posted by Wayne Suhrbier View Post

22 years is a long time for a lcd to last.
Although 22 years is not an especially long time for a car to last... which makes one question the wisdom of using an LCD for this application in the first place.
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Old 11-02-2020, 04:29 PM   #8
Celerity
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Vehicle:
2013 Impreza Base
Grey

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I learned something in my German car experience a few years ago.. The LCD fluid (Liquid Crystals) are not always a quartz solution. It may be an Ammonia crystal solution. It may be a different solution due to temperature tolerances.

I'm not totally sure, but when the Ammonia solution actually leaks it will cause lots of corrosion. Beware of that.
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Old 11-05-2020, 08:24 PM   #9
CaptainSlowbaru
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Member#: 445600
Join Date: Apr 2016
Chapter/Region: Tri-State
Location: SE PA
Vehicle:
2002 Outback Sport
Green

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I apologize, but I don't have anything of value to contribute to this thread, but since I live in Phoenixville, PA (where The Blob was filmed) this thread did give me a chuckle...
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Old 11-06-2020, 02:26 AM   #10
Vancouver98STi
Scooby Specialist
 
Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Lightbulb

Quote:
Originally Posted by Celerity View Post

I'm not totally sure, but when the Ammonia solution actually leaks it will cause lots of corrosion. Beware of that.
I've got my instrument cluster apart now (pictures posted soon), and I see no evidence of corrosion... but thanks for the warning!
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Old 11-06-2020, 02:29 AM   #11
Vancouver98STi
Scooby Specialist
 
Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Thumbs up Happy to oblige

Quote:
Originally Posted by CaptainSlowbaru View Post

I apologize, but I don't have anything of value to contribute to this thread, but since I live in Phoenixville, PA (where The Blob was filmed) this thread did give me a chuckle...
No problem. As well as hoping to find some information, I was trying to make the opening post at least a little entertaining.
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Old 11-13-2020, 09:10 PM   #12
Vancouver98STi
Scooby Specialist
 
Member#: 459287
Join Date: Dec 2016
Chapter/Region: VIC
Location: Vancouver BC Canada
Vehicle:
1998 JDM Impreza STi
V4 GF8 White

Lightbulb

Quote:
Originally Posted by Vancouver98STi View Post

I've got my instrument cluster apart now (pictures posted soon)...
I was a bit surprised to find out that my V4 cluster is quite a bit different inside compared to the V5-6 clusters, despite the front appearance being identical. The speedometer and odometer in the V5-6 clusters separate very easily. Not so with the V4 cluster.




The Blob continues to mock me.

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