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Thanks, I'll check the codes when I get a chance. The brakes are fine so it's a low priorty. I guess I just don't have antilock, kind of like the time before Electronic Control Modules etc. when everybody had to know how to brake properly. Good thing I learned to drive in the 60's.

I have a 1995 Suburban that is supposed to have 4 wheel ABS. My ABS light comes on shortly after I start moving. I replaced my front brake pads today so while I was at it I took the rotors off to see what the wheel speed sensors look like. Of course they were filthy with lots of tiny metal...

I think I might have found it but I won't know until forever passes and it doesn't happen again. The positive terminal on the side of the under hood fuse box that connects to the right side battery and the fusible link to the glow plug relay was very corroded. I cleaned it up and now I wait to...

I need to revive this thread, the problem is back. The new AC Delco ign switch is barely 6 months old and the original problem happened twice in the last 2 weeks. During the first one I pulled the switch opened it up polished the contacts and put it back in and it worked. After that I checked...

Is Dennis on the forum? I have had this turbo rebuilt before by him. When I originally installed it the oil supply fitting vibrated out, I really didn't think the straight threads on this fitting and the paper gasket that was supposed to seal it was a good solution. My oil supply blew off while...

Walking J

I didn't check the old motor for shavings I just bolted it to the pallet the new one came on and called the trucking company to come pick it up for the core return. I don't know why they would want it back though, not much chance of rebuilding that lump. ATT was only on new motor.

The coolant blow up was the previous episode, I was just explaining why the new motor, no loss of coolant this time. Only the seal in the turbo. Thanks for all the warnings though. When I did the engine replacement I put new everything on including radiator, oil cooler, IP, etc. My current...

New motor because the cracks in the old one finally reached the water jacket. I knew it was going to go soon as it started steaming out the exhaust. I put some block sealer in to try and prolong the inevitable and that worked for a couple of weeks. It blowed up real good while my daughter was...

I didn't hear any noise from it and it did spin since I did get boost, although not enough, so I assume the bearing is OK. Maybe just the seal but would that explain the loss of boost? I didn't inspect it too thoroughly, I just bagged it up and put it in my old parts box. I'm not sure if I want...

Affirmative, right on the stock exhaust manifold.

The turbo that went bad was an ATeam Turbo. I was definitely losing boost it would only get up to about 5 PSI with WOT and drop to less than 1 PSI at cruise 65 MPH. That happened gradually and I hardly noticed it but then it started shooting oil into the exhaust, I couldn't miss that. It doesn't...

It was the turbo. I put my old one back on and all is well.

Smoke is not coolant, there is oil all over the back of my truck. It never clears up and actually gets worse after warming up. I will try lift pump test and smell the smoke tomorrow before I put my old turbo back on. Thanks for the ideas.

I used a crappy gauge with a 180PSI scale so it's probably not accurate. When I first installed the Walbro I think it was running at around 10PSI. The gauge I used then sprang a leak so I tossed it. This is one I had lying around.

18 PSI fuel pressure. Both filters went on with the long block 20K miles ago, I suppose I could change them. I don't know if I'm burning oil from the turbo. I do think my boost pressure is lower than when I originally installed this turbo. I didn't log typical pressures when it was new so I...

I just recently replaced the hoses and a couple of barbs on my Walbro lift pump, I couldn't keep the hoses from leaking on the barbs that came with the pump. The old beast is still running great but now it billows white smoke. There are no codes. I have shut off each cylinder with my TechII and...

No more Tech 2 communication problems. It's been more than a month now and the problem has not happened again. I took the old switch apart to look at the contacts and of the 8 sets 3 were significantly pitted and burnt and 2 others looked like they were starting to pit. I guess when I cleaned...

I finally replaced the ignition switch, with the AC Delco of course, and it hasn't done it since. Before I changed it got to where it was happening at least once a week. It has only been a week since I changed it so it hasn't been much of a test but so far so good.

My grounds are good, I made my own with 8awg wire connected to both negative cables at the intake manifold then directly to the frame,the firewall and the right rear intake bolt where all of the grounds are connected. This fixed my jumpy speedometer a while back. I had trouble with my ignition...