OIL PRESSURE Gauge Repair DISASTER

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I've been meaning to fix the oil pressure gauge in my 1976 Corvette for quite some time, but removing the gauge cluster is such a PITA, I've been avoiding that project.
But today was the right time, or so I thought.
In hindsight, doing ANY big job in a 100+ degree garage is foolish, but it's obvious my parents raised a fool so I decided to go ahead with it.
It actually went fairly well, for the most part, until I started testing things before buttoning everything up. And it's a good thing I did because the "new" oil pressure gauge worked even worse than the original, so I tried using a different resistor and that helped a little, but not enough, so I reinstalled the original gauge with the "new" resistor and I am basically back to Square One!
Oh, and I managed to slice the tip of my finger which now hurts pretty bad as I use this keyboard. And then, after everything was reinstalled, I realized I failed to plug the windshield wiper switch, so half of the console had to come apart again.
When it rains...
Thank you for watching! 🙂👍🏻
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CONTENTS
00:11 Removing the Shifter Plate
00:29 Removing the Center Gauge Cluster
02:02 Unplugging the Gauges
04:00 Taking Apart the Gauge Cluster
05:14 Removing the Oil Pressure Gauge
06:12 The New Oil Pressure Gauge
08:22 Testing the New Gauge
10:21 Testing the Old Gauge with a Different Resistor
11:20 The Bitter Taste of Failure
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DISCLAIMER: Even though I like to wrench on my Corvettes and most of my videos are of a how-to nature, I am not responsible nor liable should you decide to follow my musings on the subject.
I am a DIYer, and the repairs and work shown are for my benefit and entertainment. If videos appear to give technical how-to advice, that is not my intention.
Working on a vehicle can be dangerous. If you're not confident, qualified, or lack the tools to do the job correctly and safely, hire a professional mechanic.
#corvettec3 #c3 #c3corvette

Опубликовано:

5 окт 2024

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Комментарии : 31

@StreetersGarage 2 года назад

I would expect high oil pressure at initial startup due to the viscosity being thicker until the oil comes to temp. You may also want to try replacing the oil sender unit as well. It’s highly unlikely that you have 2 bad gauges. With everything else being equal, the only thing left in the troubleshooting equation is the oil pressure sender.

@76vette 2 года назад

I’ve replaced everything I can think of. Motor’s been rebuilt approx 24k mikes ago so I’m thinking it must be this “new” gauge I found on Craigslist. 🤷🏻‍♂️

@musclecarmitch908 2 года назад

I wish they would've stayed with that design until 1982, my 79 has a flimsy printed circuit on it. Great job showing the process! I'm going to have to try and fix my fuel gauge, I've been measuring it with a stick since I got it, I hope it's in that printed circuit.

@76vette 2 года назад

Yeah, they also used those printed circuits on third gen Firebirds. They worked well … until they didn’t. I think the ‘77 Vettes had a half-and-half dash and it looked ok. Then they changed it into that rectangular style. Not my favorite. I also never really cared for the 78-on door panels. Oh well. That’s progress for ya. 😆

@musclecarmitch908 2 года назад

@@76vette yep!👍

@TheTaxreliever 2 года назад

1) You need AC in the garage. 😀 2) Not much to add to what everyone has already posted except this is why I hesitate to own older vehicles; there's always something, but that could just be me talking. I know the older cars can be just as reliable, if not more, then newer vehicles and are more simple and easier to fix for the non-mechanic.

@76vette 2 года назад

I do need a/c in the garage. 🥵 Also worth mentioning is that these gauges are non-precision instruments and oftentimes, nothing more than idiot lights with needles. Having said that, old cars can usually be fixed on the side of the road. You leave me stranded with a Tesla and I’d probably electrocute myself. ⚡️🔌🔋

@TheTaxreliever 2 года назад

@@76vette GOOD point...pretty much ANY of the new vehicles today; if you break down, it's AAA or bust. Don't even bother opening the hood.

@sixsixtysixanhour 2 года назад

this is a reality show! lots of drama excitement! you’ll get it fixed!

@76vette 2 года назад

Lol 😆 I sure hope so. Thanks! 😊👍🏻

@maxcreed 2 года назад

I got the same thing in my 76 with original gauge. Maybe the 76 engines are very strongs ! 😁

@76vette 2 года назад

Or oil pressure gauges are not very reliable. lol 😆

@aboutmyfathersbusiness8324 2 года назад

Pegging out is no good . 60 to 80 with molasses oil at start up is about right with decent engine tolerances. As for the LED's; tried those on one of my other cars. They last maybe a year, then randomly going bad. I've had OE 1976 bulbs that are still working in my 76. Hate the hassle of changing them out all the time. I stick with incandescent although LED's are brighter and look much nicer.

@76vette 2 года назад

Also, LEDs don’t get hot like incandescent bulbs, which I consider a safety issue when you touch a regular bulb that is hotter than magma. lol 😆 And YES, LEDs make the gauges look super nice.

@beirrab 2 года назад

Have you checked the wire to the pressure sensor? I know you replaced the sensor.

@76vette 2 года назад

Not really other than visually whenever I unplugged the sending unit. After all, the gauge works. Just not very well. Oh, and I also replaced the engine wiring harness.

@beirrab 2 года назад

Always something. My 74 is having a similar OP gauge issue. I put in new sender unit, too. And I thought gauge was good until I tapped it and the reading changed. Hmm.

@76vette 2 года назад

@@beirrab Yep. These cars are the gift that keeps on giving. lol 😆👍🏻

@antonioarroyo5683 2 года назад

How you remember where they go to connect back the wires ?

@76vette 2 года назад

The terminals usually just fit one gauge, and all the light gray wires are for the dash lights, for example, plus the back of the instrument panel has writing that indicates the wire colors, so it's actually fairly easy. You just have to take your time, so all the wires reach the panel without overstretching. Thank you for watching! 🙂👍

@AlaaMurtadha 3 месяца назад

I have same problem, did you fix it?

@76vette 3 месяца назад

No. The car is running fine so I haven’t bothered.

@AlaaMurtadha 3 месяца назад

Thank you Please let me know if you are able to fix it

@bennybarker6673 2 года назад

I have a 1980 and the gauge is doing the exact same thing.

@76vette 2 года назад

One day I hope to figure it out. Till then high oil pressure is better than the alternative. lol 😆 Thank you for watching! 😊👍🏻

@76corvette14 2 года назад

I had the same experience with the AC Delco replacement gauge - worse than the original. I reverted to the original gauge. Mine reads the same as yours.

@76vette 2 года назад

One of these days I may try an aftermarket gauge to see if there’s any difference. 😊👍🏻