Author Topic: 6,2 diesel powerless  (Read 14598 times)

Offline Hollowman

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6,2 diesel powerless
« on: September 24, 2014, 02:10:37 PM »
Hey! After a long time, I am back. A lot of family issues and such to deal with. Anyway, I have a 6,2 diesel, a 1983 chevy van, with a 700 transmission. Lately, it's totally powerless on fourth gear. It runs fine until 4th gear kicks in, when it is still fine, but with no power. My best clue is that the diesel filter needs changing. As far as I understand (without actually searching for it, since the van is parked outside on the street and it's cold and dark), the filter is really easy to change, and it's one of the few things in the van actually located where you can reach it.  8) Does this make any sense? If anyone here is selling them, I can change the filter tomorrow, and be happy!
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline fitz

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Re: 6,2 diesel powerless
« Reply #1 on: September 24, 2014, 09:45:06 PM »
If you keep it in drive (leave it out of od) does it have full power?
As far as the fuel filter, why not just buy 1 at the parts store?

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #2 on: September 25, 2014, 07:38:29 AM »
Well, I didn't drive it outside of the OD mode, but I couldn't drive it faster on the third gear at kickdown. On the other hand, I was a bit careful, and didn't push it too hard anyway. I ordered a fuel filter today, so I will have it tomorrow. Hopefully it will solve the problem!
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #3 on: September 25, 2014, 07:39:33 AM »
Now I get it! By "here", I meant in Sweden, preferably close to Malmö, not at the forum.  :)
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline fitz

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Re: 6,2 diesel powerless
« Reply #4 on: September 25, 2014, 05:04:40 PM »
That makes more sense, kinda seemed odd that You were looking for a fuel filter on this forum.
When is the last the filter was changed?

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #5 on: September 26, 2014, 06:46:44 AM »
I have owned the van more or less a year, and never changed it. It might have been replaced by the guy I bought it from, that had owned it a year or two, but I am not sure. I thought so, that's why I didn't do it sooner, but now I start to doubt it.
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline 6p2PWR

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Re: 6,2 diesel powerless
« Reply #6 on: September 28, 2014, 11:01:40 PM »
transmission could be hooched, they are know for slipping in overdrive when they are about to go

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #7 on: September 29, 2014, 02:01:34 AM »
I am not totally sure, but I don't think it's slipping. It just has no power. If it was slipping, wouldn't it seem more like it had power, but losing speed anyway?
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #8 on: October 01, 2014, 09:54:10 AM »
On youtube, there's a video of a guy with a 6,2 diesel Suburban '88 changing the fuel filter. He has another filter than I have, and some air bleed and water drainage that I didn't see on mine.  He has four holes on the fuel filter, and I have only two... How do I get rid off the air in mine, before starting it?
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #9 on: October 01, 2014, 11:43:09 AM »
Via google, I found someone saying that this engine gets rid off the air automatically while glowing. Is that reasonable? Since it doesn't have a valve for this close to the fuel filter, as I have seen on other chevy diesels, the other option would be taking off each "inlet" to the engine, and let them bleed, but that would take hours! It's almost impossible to reach some of them, since it's in a van.
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline roundhouse

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Re: 6,2 diesel powerless
« Reply #10 on: October 02, 2014, 03:48:35 AM »
When  I change a diesel fuel filter I just fill it with auto trans fluid

I've had people tell me that was bad for the engine but I've never had an issue with it

Offline Hollowman

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Re: 6,2 diesel powerless
« Reply #11 on: October 02, 2014, 04:02:44 AM »
The problem with the filter is that the holes are on the side, so if I don't dismount even the filter holder, everything I would put in the filter would leak out before the filter is in place.
Chevrolet Suburban '80, 307/350
Chevrolet van '83, 6,2D/700
Chevrolet Corvette '71, 496/400

Offline roundhouse

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Re: 6,2 diesel powerless
« Reply #12 on: October 04, 2014, 09:55:56 AM »
Never seen that before
Here's the one in my pickup

Offline fitz

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Re: 6,2 diesel powerless
« Reply #13 on: October 04, 2014, 09:35:05 PM »
Might be a good time to upgrade to a spin on fuel filter set up.
Mine has a primer pump on top and a bleader screwvon the front.
It make changing filters and bleading the system an easy job that won't drain your batteries.
You can buy everything you need at Napa for about $125.

Offline LTZ C20

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Re: 6,2 diesel powerless
« Reply #14 on: October 05, 2014, 01:18:42 AM »
 Roundhouse! Why is there a SNAKE on top of your evaporater box?! It's about to attack!!
LTZ Cheyenne C20