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  1. S

    coolant leak passenger rear of L59 engine

    Ok small stain of coolant under general area of starter. I can see it's dripping off the rear of the motor. I traced it up to the head from underneath. Using a mirror on a stick, I inspected the rear of the head around the freeze plug and it is dry around the plug, but wet on the ledge where...
  2. S

    HVAC problem

    Posting because it's happening more often lately. Every once in awhile, the HVAC will go full hot out the vents. Usually this is when AC is selected, but I think it has happened once when heat was already selected. When it happens, the control panel doesn't respond to any inputs. Shutting...
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    Wife overheated the 2005. . .

    5.3 Engine is about 5 months old. Professionally installed Jasper engine with a warranty. I do not know how long she ran it hot, because she wasn't watching the temperature gauge. She did say it was pegged when she finally looked at it. I do know that when I arrived, the drain plug was...
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    Hate to do it but I did search first -- oil consumption

    Engine is a 5.3, in a 2005 Z71 suburban, original to the truck as far as I know. It now has 219744 miles. Consumption is a small bit more than 1/2 quart per 1000 miles. Lots of freeway usage on this particular oil change (we are 1000 miles in). I change the oil in this truck every 3000...
  5. S

    Had a lifter temporarily get stuck. . .

    Engine has 216k miles, is a 5.3 L59. Has had oil changes regularly between 3 and 4.5k miles at least since 143.5k miles, when I acquired the truck. It happened while the engine was idling in a fast food lane, and I was able to get it unstuck after leaving the fast food place. But . . . I'm...
  6. S

    Stumbling and hesitating 6.0

    9/2004 Escalade ESV. 220k miles. Hesitates and stumbles badly, going from a standing start, usually after idling (and heat soaking) at a light for a few minutes. It does not do it when the engine has been sitting all night. Engine must be fully up to operating temperature, and been there...
  7. S

    Is it common for the oil dipstick tube to fatigue fracture?

    On my work truck. 6.0 escalade ESV. So I go to pull the dipstick out and it gets stuck! So I get it out and then go to reinsert and I notice that it exits the tube about six inches down right where that bracket is. So I feel around that area and sure enough the tube has fractured right...
  8. S

    P0455 Code, where to look?

    2005 Suburban Z71 with a 5.3. The code is Evap large leak detected. Reasonably sure it is not the gas cap. I replaced it with a brand new AC Delco part, because the rubber was showing some signs of wear. The code is on its way back (has not set the check engine light, but has put a message...
  9. S

    Blower motor stuck on high, had to pull blower motor fuse to make it quit

    The rest of the control panel works ok, controls where the air goes, what turns on, etc. Fan control does not respond at all. Fan is stuck on high. Fan continues to run on high even with ignition off. Had to pull 40amp fuse for blower motor in under hood fuse panel to get it to quit. Ideas...
  10. S

    rear door panel plastic "hooks" break. . .

    I did google search to see what people have come up with. Nada. This seems like it was designed by idiots. The door panel attaches to the truck with plastic hooks that are not replaceable when (not if) they break. And no I'm not talking about the white ones that are glued on -- I'm talking...
  11. S

    2005 Escalade ESV, cooling fan issue?

    I drive a 9/2004 Escalade ESV for work (6 liter, 194k miles, AWD). Incidentally, I own a 9/2004 Suburban Z71 (5.3, 177k miles, 4WD). The escalade is what I need help with. I have noticed that, in stop and go traffic, the escalade will go above 210 indicated temps, unless I turn on AC...
  12. S

    So I've got an oil leak somewhere on the right side of the engine. . .

    last summer I posted about seeing a lot of smoke behind the truck going up a grade. It's a hard thing to reproduce, but finally was able to do so with my wife driving the truck and me in another car behind. The smoke is not coming out the tail pipe lol. Last night I was able to see that it...
  13. S

    Can this be fixed easily? Or is it time for a new radiator

    \\This is a 99 Tahoe with the heavy duty towing package trans oil cooler setup. The fitting where the aux trans cooler line goes in (left side of car, right under the upper radiator hose) is leaking coolant. What it appears to be is a large hex fitting with the smaller trans line fitting...
  14. S

    going to change trans fluid and filter -- two questions

    2005 Escalade ESV AWD with 6.0. Has tow package. All stock. First question, on my 1999 Tahoe I have to unbolt the rear mount of the trans and lift the whole package up slightly to clear the exhaust with the pan. Escalade looks similar but not exactly the same. Will I have to do that here as...
  15. S

    Esky built 9/04, several powertrain questions

    Has the six liter vortec. Has towing package. Boss just gave it to me to use for work. I'm looking it over tonight (always do that first thing with any vehicle I'm going to drive) and I have an oil pressure gauge that deflects all the way to to the right with ignition on (engine not running)...
  16. S

    What am I looking at? U joint or diff seal content

    Investigating because I feel a vibration almost like wheel balance issue intermittently at 70 mph or so. I checked the u joints for axial play and I cannot feel any. There is no grease on the outside of the u joint, and there is no fluid coming from the diff seal. Yet there is grease on the...
  17. S

    three episodes of blue smoke on road trip today. . .

    Really have only a vague idea what is going on here at this point. Cruising between 65 and 75 mph, in overdrive, 100 degrees, AC on. Engine has 174k miles on it now. In my scan I look out the front, out the back, at the mirrors, etc. And I could swear I saw a bunch of blue smoke (and by a...
  18. S

    need to replace driver seat bottom cover

    The truck has LT trim. I've found an outfit in Texas that will sell just the bottom cover. Called US Auto Upholstery and they sell on ebay. Questions are, has anybody used them? Did the product please you? How was the color match (I have a grey interior). Also can somebody direct me to a...
  19. S

    Weird window incident today

    99 four door. Driver window wouldn't go down. I could hear a relay click twice inside the switch box if I held the button down, but no window motor operation. I pulled the door panel off, pulled the black inner metal away a little bit so I could see the regulator. Looked fine. So I...
  20. S

    well fudgeroonies is this as dumb as it looks?! removing alternator 99 tahoe

    Want to remove so I can take it to the alt shop and get new bearings and possibly new brushes. Got bolts 1 and 2 out from the front no problem. Got the plug off and got the pos cable off the back. But there is a third bolt in through a bracket on the rear, and that bolt cannot come all the...
  21. S

    hope for a quick answer re: Hawk HB 332

    In the middle of a front brake job on my hoe. Opened the package, pulled off the old pads, discovered that the old inner pads have a different bracket on them that clips into the inside edge of the piston. The new ones have a bracket that is removable, but is obviously not for this...
  22. S

    rear end fluid for towing?

    99 Tahoe with factory locking rear diff option. I tow regularly with it, not very far but there are a couple hills on the route. The load weighs about 3300 lbs (1984 MasterCraft 19 Skier on a single axle trailer). I'm aware that the factory filled it with 80W90. Questions are, should I suck...
  23. S

    Please tell me I'm not SOL -- coolant leak from high on back of engine

    99 tahoe, 5.7 Vortec. I noticed an orange drip from the left side of the transmission bell housing (at the very front where it attaches to the engine). This just started this morning. I cannot see anything from on top, but best I can tell from below, which isn't well, it does not appear to be...
  24. S

    driver seat leather split open -- options for replacement panel?

    It is a 1999 Tahoe with gray leather interior, heated seats. The panel that needs help is part of the seat base cover (not the seat back). Is my best option an upholstery shop, or does somebody make that base cover that I can buy separately. I think I could figure out how to install it. The...
  25. S

    wierd AC problem

    Ok. We know the charge is right. We know the compressor is working normally, as ascertained with high and low side pressure gauges. We know the rear AC blows cold just fine. But the front AC is not blowing cold. What would be the possible causes of that? This is a 99 Tahoe in case it...

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