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    2005 Tahoe blowing hot on driver, but cold everywhere else

    I only wanna hear from those who had this exact issue. I have no problems with it blowing on defrost when it shouldn't or anything like that at all. I think most of us shade tree mechanics know how bad the GM blend door actuators suck. Ours has the manual controls (no digital) if that matters...
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    2005 Accumulator Schrader Valve question

    I have found our AC leak. Its definitely coming from the connection where the electrical pressure switch connects to the accumulator. We already replaced the pressure switch, but it has a slow leak. I have 2 questions 1) Is there a Schrader valve behind where that electrical sensor plugs in? I...
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    AC Delco has gone down the crapper like everything else

    Our '05 had a Chinese brand oil pressure switch in it for like 5 years and it still worked. But I thought maybe I should change it for a better quality part since we were chasing an oil leak. So I spent the $59 on an AC delco one on 12/31. It lasted 30 days. Got is swapped under warranty for...
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    2005 UQ7 Bose Speaker size question

    I have a really simple question. WTH is the correct speaker size for front and rear door of 2005 Tahoe with Bose? This question seems to have multiple answers. Even CRutchfield shows 5.25 as well as 6.5 size speakers. Can anyone tell me what size speaker is in the front and rear doors? We're...
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    Need AC expertise HELP!

    Late last year we noticed my son's '05 not blowing cold. Upon further investigation I discovered the compressor kicking on and off. Made sense, I suspected it was low on R134a. But, it was getting late in the year and cooler so we decided we would deal with the issue this spring. Today I bought...
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    A/C Pro

    Our Tahoe is needing a recharge. I don't doubt there is a slow leak, but for the time being I'm planning to charge it. Is A/C Pro a good option? I see many different R134A options. I assume they're all similar. Was gonna grab what I hear works. Curious on feed back from those who have used it
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    Cam Position Sensor O ring

    Does anyone know if you can do just the ORing? I’m sure you can, but not sure of O ring size, or if there is one made specifically for this. If so, do you have a PN? I’ve use Mahle seals in the past, but can’t seem to find one for this application. Our cam sensor is fine except I’m pretty sure...
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    If you have an oil leak from rear...

    Our '05 has had a slow oil leak for a while now. You get underneath and filter is wet, starter is wet, bell housing wet etc. I did the typical stuff first...oil block off plate gasket, check filter tightness. I changed the oil pan gasket in Feb of 2022 mainly because I wanted to change the pump...
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    I do not understand these seals. Help!

    In the middle os this valley pan, intake manifold gasket project. Thought I'd also change the coolant bypass seals (see pic) while I was in here. When I broke the coolant pipe loose, I was expecting to this shim with built in seal (like the pic shows). But I don't. The pipe connection is one...
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    Valley Pan Torque...Help!

    I'm doing the valley pan gasket, knock sensors, intake manifold gasket etc on '05 Tahoe 5.3. Can anyone tell me... Valley pan cover bolt torque and sequence Intake manifold bolt torque and sequence I'm seeing conflicting info online. Thanks!
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    2005 Tahoe Coolant Bypass gasket

    I'm going to be doing intake manifold gaskets, knock sensores, valley pan gasket etc on my son's '05 Tahoe next week. While in there, I would like to replace the coolant pipe gaskets. I was gonna use Felpro part ES73027. But talking to someone who did this on an '05 Denali, he used Dorman part...
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    2ohm Door Speakers

    Not trying to beat a dead horse with Bose questons, but I'm curious what 2ohm door speakers we have available to us. We added a Pioneer HU to my son's '05. We ran it through the factory Bose amp. All we touched of the factory system was the HU. Huge difference in sound quality. We also added a...
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    Has AC Delco gone down hill

    Has AC Delco gone down hill (kind of like GM)? I typically replace all parts with OEM parts. 3 weeks ago I decided to swap out the oil pressure sensor with a new AC Delco one. I did this because I had suspicions that the oil sending unit that was in the truck was leaking. Old one still worked...
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    Transmision line leak

    I guess out Tahoe is reaching the age (175K) where everything starts leaking. The tranny line from the coller that runs back to the tranny is leaking up front at the crimp (big surprise). I HATE lines with crimps. Both on this vehicle have been changed, but it was sometime back. This one is...
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    Oil pressure sensor working, but leaking?

    I’m getting ready to do valley pan gasket, knock sensors, and intake manifold gaskets. Our oil pressure sensor isn’t new, but it did get changed a while back. When going through the pics today that I’ve taken to try and determine the oil leak from top side, when I zoom in, I’m starting to wonder...
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    Coolant/ Steam Pipe Seals

    My parts are starting to trickle in to do valley pan gasket, knock sensor seals, knock sensors and of course intake manifold gaskets on our '05 Tahoe. After much reading and research, I guess its common to disconnect the coolant crossover pipe and re seal them? I'm seeing these (link below). I...
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    Advice on knock sensors

    Our '05 Tahoe has an oil leak. Its been going on for quite a while. I was quite confident it was coming from top side, and have been monitoring it closely. I'm about 99% certain its the back side of the valley pan. So with that said, I'm going to be doing intake manifold gasket and valley pan...
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    ABS/ Brake light Question

    Our '05 with 175K on it has started doing this. Brakes work great, no change when this light comes on. Just did a front/ rear brakes a few weeks ago. I can disconnect battery and get the light to turn off for a few days, but then it comes right back. I went ahead and cleaned the two ground...
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    Oil Cooler Gasket Alternative

    Our '05 2wd has the oil cooler block off above the oil filter, and I believe its leaking again. The OE gasket was a nice thick aluminum with rubber seal. The replacement gasket is like the pic below. I've never liked these pot metal flimsy gaskets and I do not believe they work near as well as...
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    Caliper piston material

    Had a mishap while doing brake pads on our '05 Tahoe. While compressing the front left caliper I got lazy and was trying to hurry. Ended up pressing my C clamp end right into the center hole of one of the pistons. I got it out, but of course it brought the piston and seal with it (it didn't come...
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    AC start/stop every few seconds

    I noticed my son's '05 has been blowing recycled non cooled air recently. This truck has always been one to freeze you out, but not lately Today I decided to start the vehicle and turn the AC on to see if the belt spun. It wasn't spinning at first, then it would spin for a few seconds and then...
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    Heater Hose "T"

    Wasn't sure where to post this. Our '05 Tahoe has sprung a leak. Its coming from the white "T". I did get a new GM "T". Any advice on getting these off. I realize they have clips you squeeze, but me and GM don't have a good history with these clips. I know many people fail with these because...
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    Amp power wire

    Starting new thread because replying to old threads seem to get little to no traction I'm trying to run the amp power wire into the vehicle (2005 Tahoe) for my son's subwoofer. It is a 4 gauge wire pushing a 300x1 kicker amp for a single 10. Please read carefully, I only need help answering...
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    Amp power through grommet

    We’re slowly upgrading my son’s ‘05 Tahoe sound system. It has the Bose system. Last week we added a Pioneer head unit and kept the Bose amp, speakers, retained steering wheel controls etc. it sounds so much better with simply adding a good head unit We’re now ready to get his single 10...
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    Blower Motor Resistor Connector

    Need help. My son's 2005 Tahoe has lost all fan speeds up front with heat and air. We had the typical resistor issue back in 2016 I believe. in 2016, the truck lost fan speed 1,3 and 4 due to water. Replaced resistor in 2016, issue has been fixed till 2 weeks ago. Son told me fan wasn't kicking...

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