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Hello all. Got a situation that I think is worth considering, but I need the knowledge and expertise of the members of this forum. I will appreciate feedback" I have a 1990 6.2 with 116K original in an (another) exCity vehicle that had oil changes every 3k that runs really well and which I've...

You got a beauty, and it looks like a lot of needed improvements have already been made - congrats. I never before owned a GM 6.5 TD diesel, and didn't know where to start. This forum has been a tremendous source of extremely valuable info. I wouldn't have known what was most important to do...

I've got to chime in here and put a word in for the importance of grounds. I'd read on this forum about how important it is to make sure your ground wires are all good and have clean connections, but I was surprised that it would have as much effect as it did. When I had the front end all apart...

There are several ACDelco therms, do you recall the part #?

BTW GM Guy, I'm taking your advice and replacing my bad vacuum pump with an OEM pump - a Delphi. Now I have to find rigid vac hoses to replace my 18 yo brittle hoses that crumbled where they have to put up with the engine heat, where they go down behind the alternator to the pump, when I...

I was talking about the ford vac pump. They don't work very hard and aren't made to work hard - all they do is: "They (the ford pump) open and close the heater valve and blend door. "

After reading more about the turbomaster - home made or not - I've decided to keep things stock for now. Vac pump on its way from RA. I'm looking for longevity and it seems that better fuel mileage goes along with that if I keep it stock.

That is the exact same place the temp gauge on my 98 sits. Flushing the system and replacing thermostats is on my list of things to do. Did you use the therms THEFermanator recommended?

I researched this yesterday: the only electric vacuum pump that has the inches of HG (posted) that is required and is built to function long term, costs more than a factory vacuum pump. The $50.00+shpg ford pump may be easier to install, but why bother with a cheaper 'iffy", or even the more...

BTW: I did a search here and on other forums and didn't find any definitive answer to this question. That's why I'm posting as a new thread.

Several months ago the inet was full of enthusiasm for deleting the vacuum pump(VP) on 6.5 TD engines when they crapped out like mine just did. Now the consensus seems to be that it's better to replace, and keep, the VP for several reasons - better fuel mileage, engine longevity, "that's the way...

This should be added to the Lift Pump Forum for the guys complaining about POS lift pumps burning up.

This is a picture of the Airtex LP I bought. Identical to the Carter, and, I'm sure others. Only so many manufacturers are making this pump, because the demand doesn't interest others to invest in the cost of manufacturing them. Several of the companies LP's are identical in appearance, even the...

Autozone has the puller for this. Pay for the puller, get your money back when you are done.

I'll let you all know. I bought a 6.5TD with 4L80E and 140k. Trans fluid black on the stick and rag used to wipe the stick to check level, trans not slipping or shifting strangely. Dropped the pan, cleaned everything inside that spray cleaner could reach, new filter then: disconnected return...

Thanks, I will check that. I hope you just saved me a lot of nasty work!!!!!!

I feel the same way GM Guy. I have to replace my float assy in my tank anyway - gauge always reads full. So I am going to remove the sock and put an external filter on the truck. i'm only replacing what I'm replacing to make the truck, or attempt to make it, break-down-in-the-middle-of-nowhere...

Thought all you that are bitching about replacing LP's should read this written by a GM specialist: Anytime you replace the lift pump, proper maint and/or repair procedure MANDATES that you drop, clean and inspect the fuel tank and sender, as well as replace the fuel strainer and OPS. Its a good...

I appreciate your responses quadstar87. This is more of what I was hoping to get back, as opposed to angry sounding opinions about this brand or that brand. I've read that the DS4 , and the engine as a whole operating system, likes more pressure than the stock pumps make when they get old and...

They don't look the same and have similar numbers. It is the same picture of the exact same pump with the exact same number on both of them. So how much squat is that???