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Welcome To Mopar1973Man.Com LLC

We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

General Motors, GMC or Chevy

General Motors, GMC or Chevy gasoline or diesel power vehicles. Duramax diesel-powered trucks are welcomed.

  1. Started by 01_Cummins_4x4,

    I just got this 75 Chevy Cheyenne SWB 4x4 from a friend of mine for $3,500. He just put a brand-new set of $1,400 35x12.5R15 Mastercraft Courser MXT tires on a set of $900 new Black aluminum 15x10 wheels. It has a modified SBC with an Edelbrock Performer RPM intake and a newer 750 Holley 4 bbl carb, and a set of headers. I just got a set of nice Enkei 15x10 wheels for it, since Black wheels don't look right on a grecian bronze and frost white two-tone paint job. It will be getting repainted in those two factory colors.

  2. Started by wil440,

    Collected my new to me AM General M50 6x6 truck last Saturday, took a while between buying it and actually driving it back to the farm where our workshop is which BTW is also new to us (my brother and myself) we just moved into a 3000sqft shop PO of the truck told me it had fuel but if I wanted to put some in there was room in the 50 gallon tank so I took 40 litres of new but unidentified engine oil, 20l litres of gas, 20 diesel and 20 cat 50w axle oil, guess that tested the "multifuel " capability, ran perfectly, 5 speed manual syncro with 2 speed transfer box shiftable on the move with a twin disc clutch, PTO too, gearbox layout took some getting used to as …

  3. Started by Ravewolf,

    So I was given a 92 gmc sierra 1500 with a 4.3l. I've recently been trying to get the a/c going but have been having hell. When I first did anything with it, I just recharged it and got the compressor to spin but it wasn't blowing anything. So I suspected either the orifice tube was clogged or the compressor was junk. I ended up having to buy another line and condenser because the threads on the orifice tube line were galled and stripped. After I did that, I recharged the system and added about 1.5oz of oil to the system, and it was working beautifully until the compressor suddenly started grinding really bad, and it stopped blowing cold. I figured it gave up …

  4. Started by Mopar1973Man,

    Geez... Never ceases to amaze me with the BS that manufacturers can dream up. This vehicle is in Riggins, ID, and the owner requested an A/C recharge. When I got there it had static pressure of about 30 PSI but not enough to fire the compressor. I added freon and when the compressor started the bearing noise was bad. Not to mention the compressor isn't pumping either. I shut it down and notified the owner it was going to require a compressor and other parts. I called NAPA and found out that Chevy used two different compressors in that year. I ended up pulling the compressor just to identify the system the compressor no longer had a part tag or numbers. After figuring that…

  5. Started by Mopar1973Man,

    Well I'm back to wrenching. This rig was my room mate in the basement. Needed some knock sensors, oil change, fuel filter and oxygen sensors. Knock sensors aren't to bad to do. Basically pull the intake manifold. You need to both fuel rails off but the injector plugs are released on bottom towards the manifold, weird but ok. The knock sensors are under the two large rubber plugs with one wire to each. The front knock sensor came out easy and the rear the hex head kept collapsing. Using my angle drill I drilled 2 holes in the top of the sensor stuck my needle nose pipers in the holes using a long screwdriver barred that sensor right out. Then chan…

  6. Started by Mopar1973Man,

    Well I'm back to wrenching. This rig was my room mate in the basement. Needed some knock sensors, oil change, fuel filter and oxygen sensors. Knock sensors aren't to bad to do. Basically pull the intake manifold. You need to both fuel rails off but the injector plugs are released on bottom towards the manifold, weird but ok. The knock sensors are under the two large rubber plugs with one wire to each. The front knock sensor came out easy and the rear the hex head kept collapsing. Using my angle drill I drilled 2 holes in the top of the sensor stuck my needle nose pipers in the holes using a long screwdriver barred that sensor right out. Then chan…

  7. Started by Mopar1973Man,

    https://www.tiktok.com/t/ZTRQpoPsh/

  8. Started by Mopar1973Man,

    Yup I'm now starting to travel for work some. Hooked up with an old friend and doing work on his 1990 Chevy 350 Pickup. Steering column came loose at the tilt. Then a new hood cable. Getting more complex the master and slave for the cluch needed to be replaced. Bad part thevtubing rust together and broke. Fun installing that line. Now I'm trying to do a thermostat and power steering hose. Sad to say the passenger side bolt on the thermostat broke and the power steering hose to bound up too. Oh fun.

  9. Started by Leaky88,

    Hello, My fuel lines rusted and developed a leak. I found a Dorman replacement for the Supply, but none for the return line. Also, at the Fuel Module Connections for these lines, there are some very small O-rings on the Module end fittings which I want replace. Does anyone have experience with replacing these fuel lines and know a source for these O-rings and a new return line? Thanks

  10. Started by Mopar1973Man,

    I've got a friend just down the road from me with a Chevy Sonoma truck. We pulled the factory 6 cylinder out now stuffing a 500 HP Chevy 350 V8 in this body. We are in the stages of fitting the engine and transmission last night. We had to cut the cross member a bit to fit the 7 quart oil pan in there. It going to be a tight fit but one hell of a quick truck. Little two wheel drive Chevy Truck super light. Chevy 350 CID... Got lots to do yet. Still got to mate up the transmission after we get a torque converter. We got custom exhaust headers coming. We've got a built TH400 trans going behind this. Yup I was there working on…

  11. Started by Threadzy,

    My son just purchased this truck. His first vehicle. Two questions. The transmission shift good until you smash the throttle. You have to let off slightly for it to shift. Is there an adjustment some where on the transmission or a bad solenoid possibly? Next question. When you first turn the key on the fuel gauge pegs back and forth a few times real fast then stays at empty. Is this a bad gauge or sending unit?

  12. I have a '67 Chevy C50 farm truck I've been thinking of converting to HEI from the original points. Not sure what I need to do it. I've heard it's easy just want to get everything I need before I start. Any input would be great. Thanks.

  13. I own a 1977 Camaro that is currently being restored by me. She currently has a Small Block 350 and a TH350 Automatic. I have plans for an LS motor within 5 years, but would like a manual tranny within the next 2 years. What is the best Manual Transmission (4 or 5 speed) for her current 350, and her future LS.

    • 1 reply
    • 8.6k views
  14. I was doing some work to this truck for a friend, the radio was working fine the previous night but I turned to down to see if I had fixed an exhaust leak. The next day I pull it out front to figure out the non-op fog lights. I pull the fuse panel and find the Edge CTS monitor stuffed behind the cover. I know it was smogged earlier and was unplugged. I proceed to reload the tune, always been set on economy, not that it helps with a 6.0 gasser. As I'm going through the motions, the tuner asks me to pull the radio fuse. I pull a fuse from the PDC labeled RAD and continue loading the tune without issue. My friend comes to get the truck and the radio is on but no sound…

    • 2 replies
    • 8.1k views
  15. Started by angus,

    I`m going to be doing some work on the old GMC 2500 today. It has drums on the rear and I would like to check the adjustment.... In the past I have always dialed them in to the point of installing the drum and not being able to feel any friction.. My understanding was that should self adjust any time you back up with the brake applied?? I`m just looking for input from anyone who might have a different theory..

      • Like
    • 25 replies
    • 70.1k views
  16. Started by dorkweed,

    Was on July 13. 63,6xx miles. Been a pretty solid truck. I do make sure that it doesn't go into V4 mode using either my Range AFM delete or M5 around suburbia.

      • Like
    • 9 replies
    • 9k views
  17. Looking around under the hood of the 2016 Equinox we just bought for the wife. I am finding most everything except the trans dip stick. Just not there. So I go to the owners manual and all it says is the fluid change procedure is complicated and you need to take you vehicle to the dealer for a fluid change. Aint that just lovely. So I looked around on the interweb figuring there is no way it can be that difficult. Well sure enough I find a you tube video and a guy telling it is not that difficult and he is going to show how easy. Go to the next scene and there he is standing under the car that is on a lift. Guess he figured we all have a lift, not sure what he is thinking…

      • Like
      • Haha
    • 7 replies
    • 7.5k views
  18. Started by Doubletrouble,

    Just thought I would share what I'm doing with this old girl. We bought this to use as a grain truck/dump truck around the farm. It was cheap and it works so it fit the bill. Yesterday I was trying to get the heater working. I found exactly what I expected. The heater box and blower was converted to a mouse condo. The blower motor works when tested out of the truck. I believe the switch may be bad, or a wiring issue. It had no power when in the truck. I removed it to inspect and found the mouse house. Then removed the entire heater box from under the hood to find even more. I'm now in the process of cleaning this all out and replacing heater hoses since they were …

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    • 9 replies
    • 8k views
  19. Today I received code P0172 on my 2017 Chevy Malibu. It states " The Emissions System is not performing as expected. An issue has been detected in the Exhaust Emissions System which monitors and controls exhaust gases released into the air from the engine. If the vehicle is continually driven with this light on, the emission controls might not work as well, the vehicle fuel economy might not be as good, the engine might not run as smoothly and could lead to future repairs. " Has anyone in the community here had this code, is it common in a car with almost 17,000km?10.0.0.0.1 192.168.1.254 hotmail.com

    • 2 replies
    • 7.6k views
  20. Hey everyone ive been having an ongoing probelm with my car which i use for work to deliver groceries to people in need, so what happens is i have 2 codes poping up on the computer when i run a diognostic ones for the Temerpature sensor which i already replaced but keeps poppng up which idk why. 2nd is my camshift sensor which i havent changed yet due to money reasons but i do erase them with the computer to give me a piece of mind lol. The reason im telling you guys this is to tell yall everytyhing thats going on with the car. NOW the real problem is my Service Traction light keeps popping up and gives my car a little kick when i go from 0 to 10 on it. Than When i put it…