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I am looking for an oil to run in my '03 silverado 5.3L with 230,000 miles. Engine runs great, no leaks, and does not burn any oil whatsoever. I have always been a big fan of M1 oils, but recently have been running Valvoline Max-life 5w-30 synthetic blend. It is a good oil, and I have good oil...

I have a diamond plate toolbox behind the cab in my pickup. I am not sure if it is aluminum or stainless steel, as it is very light for its size. Anyway, when I first bought it and installed it, it had a very shiny chrome-like finish. It was basically like a mirror. Now after a year, it is a...

I recently buffed my truck using Meguiar's Ultimate Compound. The applicator I used was a 3M buffing pad that I attached to a drill and used on low-medium speed. Here is a link to the applicator I used: http://www.autobarn.net/3m-superbuff-polishing-pad.html I made sure the truck was...

2003 silverado halfton 5.3L engine, 200K miles. I have been keeping a close watch on a leak towards the rear of the engine. It seems to be the rear main seal, but it isn't leaking enough where it is leaving spots on the ground, nor do I ever have to add oil between oil changes. It is leaking...

Getting ready to change the power steering fluid for the first time in my Silverado pickup. Truck has 200,000 miles on it and the fluid has never been changed. No leaks or anything. What brand should I go with? Is the Prestone brand found at wal-mart worth a darn? Also, anyone have any idea how...

I am wanting to trim the tabs on a 9005 bulb and use it in place of my 9006 low beam bulbs. I drive an '03 silverado halfton. Will the increase in wattage between the two bulbs cause anything to melt or blow a fuse/relay? Just wanted to make sure before I mess somethin up on my truck. Anyone...

2003 halfton silverado Z71- I have Load range E tires on it, so they are 10 ply. The sidewall calls for no more than 80 psi cold, but of course we all know not to run tires at the rated pressure as that is wayyyyy too much. I have them at 45 psi cold, and the centers seem to be wearing out...

In your opinion, which one is a better oil? Or are they equal under everyday normal use? In my area, both oils are a bit on the pricey side so it comes down to which is a better performer, has better additives and base stocks. Thanks for the help!

I don't know much about oils, basically I just understand the weights and synthetic and non synthetic and thats about it. Which one of the two oils, Mobil 1 TDT 5w-40 or Mobil 1 0w-40 would YOU recommend I run in my '03 5.3L silverado halfton pickup? The truck calls for 5w-30 but I like a...

On my 2003 silverado halfton Z71 I currently am running 265/75R16 size tires. Knowing nothing about tire sizes, I want to go up like one size, what size would that be? Just want to give the truck a little "beefier" look. Also, WILL a bigger size tire even fit? I don't have a lift or anything...

Its about time to do a fluid change on the tranny in my Silverado. I usually just drain the pan, and then replace with about 6 qts of new fluid and call it good. At the last service interval, I did a homemade flush using the tranny cooling lines. I exchanged all of the old fluid out for new that...

Anyone know where the EGR valve is located on a 2003 Silverado with a 5.3L? Thanks

Recently replaced the fuel pump in my 2003 silverado halfton. Ended up putting a Carter fuel pump in it. I have always heard good things about Carter fuel pumps as a whole, so I was just wondering if anyone else has any experience with them. The original GM pump lasted for 150,000 miles. I...

Does anyone know where I can find this oil? I can find the synpower 5w-30 everywhere but have not seen the 5w-40 yet. I have checked all the local Wal-Mart's and also a few local parts stores. Anyone seen it anywhere?

I am wanting to put either of these oils in my 2003 chevy silverado to boost oil pressure a bit. I live in South dakota, so the wintertime temps are in the teens and below 0 often in the dead of winter. Which of these two oils, M1 0w-40 and 5w-40 is better? Which flows better at the cold...

I am wondering if it is safe to run M1's 5w-40 oil in my gasoline engine in my chevy silverado. Due to high mileage and a slight drop in oil pressure I like the idea of a thicker oil because M1's 5w-30(what my truck requires) seems to be very thin for a 5w-30. Any advice is appreciated, and if...

I have just recently completed the transformation of 100% synthetic fluids from bumper to bumper on my 2003 halfton silverado Z71. I live in Iowa and I'm soon going to college in South Dakota, and I have been told that the winters up there are much colder and worse than in Iowa (thought it...

I have an '03 silverado and I just bought new OEM replacement foglights. But, unlike the original OEM fog lights that are on my truck now, the new ones did not come with the little metal light deflector that is inside the sealed lens housing that the bulb sits behind. Do I need this little...

Does anyone know which line on a 2003 chevy silverado is the pressure line and which one is the return line back to the tranny? I'm wanting to do an at-home flush and would like to know which line to take off to drain into the bucket! Thanks Justin