I gots da low down 6.5l diesel blues

Suburban took a big poopy again.
At least I got one year out of her before she quit.
Not bad, two years I had her and she's quit four times.

I've gone through the diagnostics and I'm not getting high pressure fuel to the cylinders. Could the be the big bad expensive pump but I found on the diesel board it might just be the alternator.

I'm going to replace that first and see if she shapes up.

A word to the wise. Duramax good. 6.5l diesel with the stanadyne injection system is crap.

Wish this bugger would run like old smokie.
How many miles are on that old Dodge?

G.

Two things wrong, Greg.
#1......It's a Chevy.
#2......Yep, it's a Chevy.

hope it isn't the pump again!

back in the late 80's the company I worked for had me driving one of the Chevy trucks with the 350 that GM converted to diesel. I swear a MoPed could out run it on take off and probably on top end too!

Drop me a pm and let me know the details on the engine and I will check with my neighbor who is a heavy equipment diesel mechanic. Also know another really good mechanic if it has to go in the shop

not to make you feel bad but old smokie has 350,000. them old dodges are tuff. let me down last year put in a ign. switch good as new.

Yep, I've got a 96 with 245k on it. Loud, obnoxious, rough riding, but tough and gets ~19-19.5 mpg if I keep my foot out of it. Not bad for a 3/4 ton 4x4 ext cab. Those 12 valvers are dependable trucks, and a guy can shade-tree on them.
Kit, are those not mechanical injectors on that motor? I don't know anything about the 6.5 in particular.

Quote:

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Originally Posted by bwillaub

Two things wrong, Greg.
#1......It's a Chevy.
#2......Yep, it's a Chevy.

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I second this comment! I would rather push my big Blue Oval than drive a Chevy. And I have done more than my fair share of pushing!

Wish you the best of luck with your motor.

Quote:

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Originally Posted by talltimber

Yep, I've got a 96 with 245k on it. Loud, obnoxious, rough riding, but tough and gets ~19-19.5 mpg if I keep my foot out of it. Not bad for a 3/4 ton 4x4 ext cab. Those 12 valvers are dependable trucks, and a guy can shade-tree on them.
Kit, are those not mechanical injectors on that motor? I don't know anything about the 6.5 in particular.

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It's an electronic injector.

The problems appears to be electrical in nature. My volts are down around 11 on the gage before cranking. The tach doesn't show any movement when cranking.

I haven't pulled the intake manifold to check the fuel shut off solenoid. I'm trying to go through the basics before putting in the heavy work. I checked the ESO and it's getting 12V.

I can't argue with the chevy comment. The only chevy product I had the ran great was a GEO prism and that was over half Toyota. Had a Buick Century with a lot of problems.

I do like the size and carrying capacity of a Suburban though. Too bad Dodge doesn't have a Ramburban.

G.

If U Think Its The Alt, U Can Take It Into Either Auto Zone Or Advance Auto And Maybe Orilley's And They Can Do A Perforamnce Check,,,also May Want To Do A Load Test On The Battery Also,,,jmo

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Originally Posted by old fuzzy

If U Think Its The Alt, U Can Take It Into Either Auto Zone Or Advance Auto And Maybe Orilley's And They Can Do A Perforamnce Check,,,also May Want To Do A Load Test On The Battery Also,,,jmo

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Thanks Fuzzy. I'm pulling the Alternator when I get a chance. I have six ball games this week between the 11 & 8 year olds.

I'm hoping that's the problem.

G.

Man I wish I could help. I don't know a thing about them.

I all else fails, come get my old dodge till you get yours fixed

Alternator checked out.
Going to run the power wires up to the posts this week (I'm still using that dephi connector crap on one of them) and loosen, clean, tighten and grease all the ground wires and power wires.

After that, check the ESO. If not fixed

I'll pull the intake and go through the high pressure pump stuff. PMD direct without the cable. Check the Oil Pressure Switch.

After that, haul it to Ballie diesel and have them diagnose the problem.

I'm praying it's not that $850.00 pump again.

G.

I played with Diesels 36 years. Course one cylinder had more displacement than your whole engine (710 CI) and they made 3000-4000 HP. :D (locomotives)
I'm betting on the pump. :( Hope not.

And I drove my '93 GMC to 300000 and sold it. I still see it around, still looks good.
:rolleyes:

Kit if you get to looking at Dodges find one with a mechanical 5.9 6 BT it. I replaced one in a guys truck few years back & it had 700000 miles on it & still running. He has 400000 on the replacement eng & truck is falling off frame.
Sorry no help on the on your engine. If your not seeing RPM when you crank it will not start. ECM needs to see rpms & then tells pump to deliver fuel pres. Good luck.

I'm nearly 100 sure it's electrical.
I'm cleaning up grounds and rewiring up to the battery posts and get them off that delphi POS screw in battery hook up.

Thanx Jiggin!

G.

Quote:

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Originally Posted by Kit Papermouth

I'm nearly 100 sure it's electrical.
I'm cleaning up grounds and rewiring up to the battery posts and get them off that delphi POS screw in battery hook up.

Thanx Jiggin!

G.

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Let us know how this works out.

Let me know If I have anything you need. Have company for the weekend till wed. but after that I can help.

Located the problem.

Failure of the connector to the fuse box in the engine compartment.
Rewired the SOB from the Battery back just for good measure.
Cleaned all the ground contacts as well.

That's four dead in the water in the two years I've had it.

At least it isn't the expensive pump. Spent $20 to fix her up.
Took three trips to O'Reiley's. Kinda like a plumbing problem. Three trips to the hardware store.

General Motors Piece of Junk. I have a vehicle the same age and twice as many miles and it's never quit on me.

I'm really thinking twice about using it to pull the boat to Alabama this fall.

G.

glad you got it going! Vehicles can be a royal pain to fix these days

Glad To Hear It Was A Somewhat Less Costly Fix,,,,,,,,, Hope Thats All For A While

Broken down pullin' the boat home.
Had it towed up to Bailley in Nixa.
I'm done with that Suburban.

I'm going through the classifieds now.

G.

That bites! Just when we thought you had it fixed! Any idea what went wrong this time?

4-sale Suburban needs TBF (to be Ford) we all get tested now and then I'm sure you'll pass

They grounded the PMD at the bumper. I wasn't aware that was necessary. I thought the grounding was in the plug wire. They also found a loose delphi connector at the battery.
We'll see if she makes it home today.

I've gotta a friend of a friend that looking at purchase it and would plan on dropping a Cummins into it. That would be sweet. Sweet that he wouldn't have to deal with the 6.5 & sweet it would be of my hands.


G.

Didn't make it home. Quit in Spokane. 10 miles.
$3500 as is to anyone that wants it.

G.

That really sucks! I think I would be calling the repair place that just worked on it and see if they do anything for you.

I think it might be my fault you have been having problems with it. :p Remember the time I backed it in for you to load the boat? That's the effect I have on a GM product or they have on me one or the other. I think I could test drive a brand new one right off the lot and it would break down before I got back. Can't say I've never had a problem with a Ford, but they have been a lot more dependable for me than GM

I had it towed back to Nixa so they could look at it again.

They're saying Injection Pump 1150 + 250 for installation.
1 year warranty. Last one lasted 13 months less than 5000miles.

G.

That's rough.

get you a dodge if you cant dodge it ram it

Sorry to hear it Kit, sure sucks. Hope your next vehicle makes up for it and more.

We'll it's fixed. Maybe? I haven't picked it up yet.

Latest part of the drama. Purchased a pump from Canada. Two weeks to arrive. Trying to save $700.00. Pump arrived and one of the 12V posts was broken off. Couldn't be used. Asked Bailleys to put the expensive SOB with the warranty on it. Have to scavenge the bad pump to fix the Canada pump and sell it on Ebay. I'm figuring the next guy that purchases this vehicle will get 100K out of it before anything goes wrong. But enough is enough. It's for sale. Gonna get a pull vehicle that fits in the upstairs garage. Something that when I turn the key I don't think, is it going to start? If it starts, will it get me to where I'm going? If I get there, will it get me back?

G.

Man, it's been one thing after another with the 'Burban, hasn't it?:eek:
Glad you finally (probably?) got it fixed though. Hope you have better luck with your next vehicle!

And Old Smokie Is Still Going And Going

In the case of a repeat failure there is a good chance the problem wasn't the replacement part. Time to take a look at the ENTIRE fuel system. You may have something that is causing the pump to fail. Did they change the fuel filter when the pump was changed? Is there a strainer in the system? If so, was it replaced? Any restriction in the piping or hoses? Trace the lines back to the tank. Any damage or restriction that might put a heavy load on the pump trying to pull enough fuel to supply the engine? Anything in the tank that might be blocking the fuel pickup? Could be something that blocks it intermittently.
Be THOROUGH, you might find a surprise.
Just thoughts from past experience. ;)

Quote:

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Originally Posted by peculiarmike

In the case of a repeat failure there is a good chance the problem wasn't the replacement part. Time to take a look at the ENTIRE fuel system. You may have something that is causing the pump to fail. Did they change the fuel filter when the pump was changed? Is there a strainer in the system? If so, was it replaced? Any restriction in the piping or hoses? Trace the lines back to the tank. Any damage or restriction that might put a heavy load on the pump trying to pull enough fuel to supply the engine? Anything in the tank that might be blocking the fuel pickup? Could be something that blocks it intermittently.
Be THOROUGH, you might find a surprise.
Just thoughts from past experience. ;)

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Fuel filter was changed 5000k ago. Lift pump still pushing 6 psi at idle. I don't have a pressure gage in the cab to see if there is an intermittent problem. My wife is sick of scraping the windows in the winter & she's doesn't like putting in the additive summer or winter. I'm going back to
a gasser for now.

Went to pick up the truck to take to the dealership to trade in. Fired up fast pulled up the first stop sign and my blinkers wouldn't work. Turned around and went back to their shop and check out the fuses. No blown fuses.
Couldn't even get it to the dealership to trade in.
They said they'd try and sell it for me.
$2000 if anyone wants it. I'm taking the loss.
Went ahead and bought the other vehicle with a warranty.


G.

pump driver controll module $250 Id bet thats your problem. Had 96 with the 6.5 same problem. Those moters werent no good win they went to electronic pumps in 94. They had a lot of issues with those module getting hot and shorting