Grubbworm

Last week / weekend I replaced the water pump in my GMC. Had a little leak, could not find it. Thought it was leaking from a pinhole in the Coolant overflow tank. Replaced it. Saw it leaking from a hose, new clamp solved that. Still had a leak. Finally found it and replaced the water pump. Did the Thermostat while I was in there. No leaks now and the truck runs great. Attachments 1000000827.jpg 1.6 MBViews: 10 1000000830.jpg 2.1 MBViews: 3

Last week / weekend I replaced the water pump in my GMC. Had a little leak, could not find it. Thought it was leaking from a pinhole in the Coolant overflow tank. Replaced it. Saw it leaking from a hose, new clamp solved that. Still had a leak. Finally found it and replaced the water pump. Did the Thermostat while I was in there. No leaks now and the truck runs great. Attachments 1000000827.jpg 1.6 MBViews: 10 1000000830.jpg 2.1 MBViews: 3

So, I can remove the rad hose from the top of the radiator and let the used water flow out while filling the overflow tank with fresh water.

At the risk of sounding like a noob (which I am not), I am going to do a complete flush and change of the coolant system in my 2004 GMC 2500HD, 6.0 gasser. My question is: which way does the coolant flow in this engine, bottom to top? I have heard that the LS engines flow backwards.

It is not a case of color. It is a case of Polyurethane or Rubber. Rubber has more flexibility than Polyurethane, which means a smoother ride. You can get Polyurethane bushings in different colors. I believe rubber only comes in black. I have Poly in my truck, and while it is a stiffer ride and I do feel more of the road, I believe it handles better.

I replaced the light switch on my truck this last weekend. I was having some issues with the dash lights coming on and off. I could adjust the dimmer switch, and they would come on and go off. So, I just replaced the switch with a new one. Everything seems to be working fine now.

So, we took the truck out for a spell last week. We went camping with it, towed a camper. I will say the upgraded brakes worked awesome with no issues whatsoever. I will also say that the upgraded suspension worked flawlessly, no issues there either. I am happy with the results from both and would highly recommend both upgrades.h upgrades.

I am going to take my truck camping soon. I will be towing my camper. This will be the first real towing test for the brakes and suspension upgrades. We will see how they do and post the results.

Saturday is the day that my son and I will finish this bushing and ball joint job once and for all (Hopefully). Sunday, I will take it out for a drive. Pictures will follow. Sorry, I did not take any pictures of the work that we did. Had a slight issue with the brake dust shield rubbing on the back side of the rotor. We remedied that accordingly. I did take some pictures of the box for good measure. The wife and I took it out for a drive on Sunday. We took the highway and back for a quarter tank of gas. Everything seems to be doing OK. I am still going to have my alignment checked soon.

Well, I got everything tore apart this weekend. I cleaned it, prepped it, and everything is ready and waiting to go back together. My son says he will be back over this weekend to help put it all together.

Well, it's back to work on the truck again. My son says he will be over on Sunday to help. I hope to have it tore down and ready for his help by then. I only have the Driver's side lower ball joint and the Driver's side lower control arm bushings left to do. Then off to the alignment shop. Pictures to follow.

So far so good. Now all I have left is the Driver's side lower ball joint and the lower control arm bushings. It sure does drive and handle so much better so far.

I took the brakes and rotor back off. I cleaned both the hub and the back of the rotor. I used an air tool with a scotchbrite disc to rough up the rotor. I sanded the brake pads. Then I cleaned both the rotor and the pads with some brake cleaner. I lubed and reassembled everything. I found no smoking gun. Today I am going to take it on a test drive to see how it is.

My son and I finished with the passenger side ball joints and bushings. Now I have a squeak/noise coming from the passenger side while driving. I thought it was the brakes because my son saw a line on the rotor. And it did make more of the noise while braking. The next day I took the brakes apart and cleaned them, sanded and cleaned the pads, sprayed Brake Quiet on the back of the pad. I put it all back together and took it for another test drive. I still have the noise, but more so while driving now. The only thing that I can think of is that while heating up the wheel hub nut, I may have overheated the wheel bearing and hub. I am thinking that I burned the grease up in the bearing.

I have everything ready and am waiting on some help to get this all put back together. I tried putting it back together but it is more than I can do by myself. After the passenger side is complete, I will have the Driver's side left to do.