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  1. Bigbertha78

    Trouble code P0220

    2004 Tahoe Z71 163k Miles. Haven't had any issues for a while with the truck, about 800 miles ago I was having issues with rough idle at stops. Tonight cranked a warm engine and the engine light came on with reduced engine power warning and a rough idle. Drove 20 feet and turned off truck for...
  2. Bigbertha78

    4wd issue

    It's been awhile since I've used 4wd, had a few issues with the 4wd switch but it always seems to fix itself. Tried out the 4wd today and it goes into 4wd Auto easy, no issue. When I try to switch into 4wd high, the light flashes then goes into 4wd Auto. In neutral, I switch to 4wd low and there...
  3. Bigbertha78

    Low idle when put into park

    2004 Tahoe Z71, idles perfect, drives great, until stopped and put into park. The Tahoe's RPM's drop down to around 350, but slowly raises back to normal. No issues on starting the Tahoe, Throttle body was recently cleaned and new battery was also installed. Also, no engine lights or any codes...
  4. Bigbertha78

    Hydroboost bleeding process

    Today I finally got around to flushing all my old brake fluid out and bleeding out all four calipers until there was clean fluid. Went out for a drive and even slammed on the pedal to see how the ABS activated and all is great. I have a 2004 Tahoe Z71 with hydroboost. While driving I can quickly...
  5. Bigbertha78

    Double din stereo

    I have a 2004 Tahoe Z71 with Onstar and the Bose system. I am looking to buy a new head unit for the Tahoe and love the double din setup, not looking to spend a fortune. The ones I see online that have been installed have had the dash insert trimmed or cut. Is there a double din stereo out there...
  6. Bigbertha78

    Towing

    So, I have a 2004 Tahoe Z71 5.3L with 156k. I am looking to possibly get one of two travel trailers that has a gross weight of 4500-5300 pounds. I would like to keep the Tahoe, but I'm afraid of not being able to pull that much weight up any incline or mountain. Is there anything I can do to...
  7. Bigbertha78

    Front diff driver axle seal

    I have an issue trying to remove the driver side front differential axle seal. Had everything removed and fought the stub shaft for two hours and no luck at all. Tried a axle slide hammer that was two large to fit in the area, banged with a hammer and rotated while hitting, and even tried a...
  8. Bigbertha78

    Driverside window parts

    Drivers window unit works but had a small piece break off. Does anyone have an idea where I can find one of these, Preferably not broken, so I will not have to buy the whole unit for $156?
  9. Bigbertha78

    Oil pan gasket change

    Everything was pretty straight forward! Supported front of truck by cross member forward of axle. Lowered the cross frame (4bolts), incliped 4wd actuator connector, removed axle bolts to lower axle down (4 bolts). Removed 2 starter bolts and moved starter out of the way, disconnected oil level...
  10. Bigbertha78

    Oil pump pickup tube torque

    Looking at the Haynes manual it looks like the two nuts from the oil pump pickup tube are 106 in-lbs, what is the torque for the bolt that holds the forward O-ring?
  11. Bigbertha78

    Engine oil leak

    2004 Tahoe Z71, 150K miles. Ok, so I have discussed this leak before yet keep coming up empty! Changed valve cover gaskets and still leaks! Have these drops coming from the drivers side up high! At first, I thought the oil pan was the culprit! I have no fluid inside the transmission circle...
  12. Bigbertha78

    Oil pan gasket replacement

    I've read a lot of things about doing this in the garage in an afternoon, just wanting to check and see if this is true. I have read that I can unbolt the four bolts on the front diff and lower it down a few inches to access the oil pan enough to clear it out. The two bolts on the passenger side...
  13. Bigbertha78

    Outside tire wear

    So I bought new Firestone Destination AT tires and have driven with them for a little over 15,000 miles in only a year and a half. Everything on the front suspension was changed about two years ago, including all four shocks. I noticed the outer tire on the front looked as if it were cupping...
  14. Bigbertha78

    Knock sensors

    So I had a buddy I work with buy some knock sensors, harness, and a few other parts for his Tahoe motor about a year ago and never got around to installing them. I have already checked and they will fit mine, but the question is should I test them to make sure they are good, or throw them in and...
  15. Bigbertha78

    Oil leaks

    First picture is below throttle body and I have oil that has started to collect. Cannot see anything while motor is running. Any ideas? Second picture is the underside of the 5.3L motor, oil. There is nothing that looks as if it were draining down from the sides so I was thinking rear main...
  16. Bigbertha78

    Rough Idle

    I have a 2004 Z71 5.3L Flex Fuel Tahoe with 138,700 miles. So I posted a while back about having a rough idle where the RPM's would go down to 350 while stopped at a stop sign or stop light, never did it in park or any other gear, and was also very intermittent. I have replaced the alternator...
  17. Bigbertha78

    Scan tool

    Just a quick question for which scan tool is the best for a DIY mechanic at a reasonable price? Thanks
  18. Bigbertha78

    AC issues

    i have a 2004 Tahoe Z71 with 135,000 miles and the manual slide AC/heat controls. I have the AC on and everything blows out normal driving down the road but then the out put from the vents gets slower, like I were to turn the setting down but I haven't touched anything. When I turn it down to...
  19. Bigbertha78

    AC issues

    i have a 2004 Tahoe Z71 with 135,000 miles and the manual slide AC/heat controls. I have the AC on and everything blows out normal driving down the road but then the out put from the vents gets slower, like I were to turn the setting down but I haven't touched anything. When I turn it down to...
  20. Bigbertha78

    Need help with idle

    So as I'm driving when I come up to a stop sign or stop light the trucks RPMs dive down to around 300, at night the lights go dim, oil pressure, and volts both go down a bit. Couple seconds later the RPMs go back to normal. Last night was the first time I noticed it doing it when I went from...
  21. Bigbertha78

    Vehicle vibration when high speed braking

    So going down the highway at 70 when you apply the brakes you can feel the brake pedal pulse and a slight vehicle vibration. Only does it so often, not every time. Had the Tahoe for three years now, when we bought the Tahoe the brakes and rotors looked brand new. All front end suspension parts...
  22. Bigbertha78

    Transmission oil cooler line leak

    So I noticed about a week ago the lower transmission cooler line was leaking on my 2004 tahoe Z71 5.3L, wiped away fluid and now today it's back again. Has anyone attempted to replace line before and if so is it easy. Looks kinda easy since it's the lower line on the transmission. Also how much...
  23. Bigbertha78

    Tire wear

    I have a 2004 tahoe Z71 and I've owned the truck for almost 3 years. Thought the tires which are Michelin were new when I bought it but the code on the tires are from 2010. I do live in AZ and have only put around 18,000 miles on it since I've had it. Trying to figure out what the tire wear is...
  24. Bigbertha78

    Low RPM

    I know this has been covered but not quiet the same as my issue. Truck idles fine until it gets warm and then as I'm driving and come to a stop light or stop sign the RPM's drop down to about 400 for a few seconds and almost feels like it wants to cut off but then goes back to normal. Only does...
  25. Bigbertha78

    TPMS Sensor

    I've had a light on inside the vehicle for the low tire pressure and Firestone says three out of four sensors are bad. I am going to replace my tires so I figured I'd replace the sensors while there off, but after looking at Rockauto and all the different types, I was wondering if anyone has had...

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