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Old 05-15-2003, 01:02 AM   #1
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Default 3.8L Vin Versions

I just got an 89 Bonneville SSE and I was wondering how you tell the difference between the 2 VIN versions of the 3.8L engines that were used in these cars? I know this is probably a dumb question but, I'm kinda new to all of this. Thanks a bunch.
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Old 05-15-2003, 01:08 AM   #2
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There'* some info up in Techinfo that may help you. Try the bonneville timeline at my website also.
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Old 05-15-2003, 07:55 PM   #3
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I don't think the 89 used two Vin versions... Just one... Vin "C."

Correct me if I'm wrong.
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Old 05-15-2003, 10:15 PM   #4
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The car is a 1988. I guess I typo'd when I wrote the original post
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Old 05-15-2003, 10:24 PM   #5
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1G2HZ5K "C" XTH200001

The engine code is represented by the eighth character.
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Old 05-16-2003, 07:31 PM   #6
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I changed my engine I had a VIN 3 I put in a C it works exactly the same only thing different was on the C it did have the engine temp sensor I had to install the old manually.
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Old 05-16-2003, 07:41 PM   #7
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yep the hole was there it just had a plug in it. I unscrewed the plug and screwed in my old sensor and it works fine.

Only thing is my oil pressure gauge reads all the way full when the car is on. I have no idea what caused this.
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Old 05-16-2003, 07:46 PM   #8
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Quote:
Originally Posted by jr's3800
You might try swaping in the sensor from the old engine and see if that makes a diffrence or just get a new one...
Yeah I could try that or I could leave it broken I am just surprised my car even works since I had never swithed an engine and I did it all alone. When it started I almost passed out.
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Old 05-23-2003, 10:28 AM   #9
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junkman - you swaped a 3 for a C and used which wiring harness ? which computer ? to make the 3800 C run ?

Sorry to come in so late but I just saw this post. Unless I'm misunderstanding you , you made something work thats not supposed to.
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