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    '02 5.3L Knocking/Ticking only at highway speeds

    I dropped the pan today and the pickup tube seal was pretty bad. Still pliable, but was formed into a square shape--is that the shape of the original seal, or is that due to time and heat forcing a round o-ring seal into a squarish shape? Anyway, pick up a new tube with a nice thick green o-ring...
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    Quick help needed with oil pan torque specs and alignment.

    I'm pulling off my oil pan to check pickup tube seal. Anyone have torque specs, sequence and pan alignment info? '02 Tahoe 5.3L 2WD Thanks!
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    '02 5.3L Knocking/Ticking only at highway speeds

    I'm with you on this one raiderron. Would there be any benefit in a high flow oil pump from Melling or SLP? This is a daily driver, no mods, just bare bones stock.
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    '02 5.3L Knocking/Ticking only at highway speeds

    Here's an update. We've been driving gently but twice oil gauge dropped to zero and check oil pressure has come on. Shutting down engine and restarting a few minutes later brings pressure back. Got my mechanical guage hooked up. At full full operating temp, I'm reading 28 to 30 psi @idle...
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    '02 5.3L Knocking/Ticking only at highway speeds

    I got a hold of an pressure test kit, but thread at sending unit port is oddball M16x1.5. I've checked many other sets online and none have a fitting that works at the sending unit port. Until I found this item: http://www.autometer.com/cat_accessoriesdetail.aspx?vid=58 However, after...
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    '02 5.3L Knocking/Ticking only at highway speeds

    Reaching out once more. I've maintained speeds to 65 and under and no ticking. Oil pressure gauge seems to be reading a little low. Idle used to be approximately 40 psi, now it's 20 psi but gets up to 40 psi as ssoon as I accelerate. I was thinking my gauge was gong bad, but the ticking/knocking...
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    04 5.3 fuel pressure issue

    Did you get this figured out? I would have suggested fuel filter first, but pumps are notorious for going out. Mine has gone out twice, but I've got 230k miles on my '02 Tahoe. The pump sits right smack in the center of the tank. You can smack the center of the bottom of the tank with your hand...
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    '02 Tahoe Parking Brake Shoe Problems

    Anyone had parking brake shoe issues? Brake material separating from metal shoe and shredding up inside rotor? It's happened to me twice over the last ten years. Maybe I'm waiting to long to replace?
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    '02 5.3L Knocking/Ticking only at highway speeds

    Just last night, my engine started making a knocking/ticking sound while on the highway doing about 65 yo 70 mph. Went on for 5 or so miles, then went away when I hit surface streets. Definitely coming from engine like a sticky lifter. Anyone run into this or ideas? 230k miles. Plenty of fresh...
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    Oxygen Sensors Help

    Now I'm no ASE master mechanic, but its my understanding that O2 sensors have been considered maintenance items for several years now. They do get old and sluggish and affect how quickly air/fuel changes occur. You won't get a code as they get old and catalytic converters are affected. At about...
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    Random misfire - no codes - what to look for?

    I've been experiencing some random misfire lately on my '02 5.3L, 223k miles, no codes. I suspect I might have a coil that acting up. I'm somewhat capable of performing most routine maintenance, but chasing misfires isn't my something I do everyday. Can someone share some advise on how to test...
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    Who has the highest miles thread.

    '02 Tahoe 5.3L 230k Sent from my HTCONE using Tapatalk
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    Fuel Injector Set - Delco or Delphi?

    I found this great price for a set of Delphi injectors for my '02 Tahoe 5.3L http://www.amazon.com/gp/aw/d/B00D5YVSY0/ref=redir_mdp_mobile. Anyone care to comment on which brand is preferred, Delco or Delphi? Sent from my HTCONE using Tapatalk
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    241k wear and where to go from here question.

    I recommend a new oil pressure sending unit. Mine went out at 209k miles and understand they go out all the time. My oil pressure needle would quiver, drop to 30 psi at idle and peg at 80 psi when I gave it full throttle. New sending unit fixed my problem immediately.
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    California or federal?

    Federal should be 49-State legal; CA is all on its own....sucks for me, my driver's side cat just went out.
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    Metal on Metal when turning right??

    Did you every figure this out? My '02 Tahoe driver side emergency brake once rubbed on the inner rear disc to point that is started touching metal to metal and mostly only happened when turning as the weight shifted to one side. Interested to know if you might have had the same issue.
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    Fuel pump choices

    I went Delco when my FP crapped out at approx. 65k miles...held up to 208k miles. So whem it crapped out again a couple weeks ago, I went Delco again.
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    Progressively worsening cold start issue HELP!!!

    I had the same issue four years ago on my '02; new intake gaskets took care of my problem and hasn't come back. Thanks for this link Srewd up 6; great resource. Love the following line: "Strangely, as the engine warms up, the roughness tends to go away, which seems confusing." It's...
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    Who has the highest miles thread.

    '02 Tahoe 5.3L....208k miles. Rebuilt trans, replaced intake gaskets, two fuel pumps, and in a proactive decision due to being on the road a lot, replaced water pump and all hoses, including connectors at firewall that tend to leak. Other than that, normal maint.; brakes, oil.changes every 3k...
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    Oil pressure gauge quiver and PSI

    I recently started noticing that my oil pressure gauge needle starts to quiver a little at idle. My '02 5.3L has 208k miles. Is this common? Once I accelerate and get rolling the needle is absolutely stable. Also, at idle, my oil pressure gauge is ready between just under 35 and 40 psi, and...
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    1 quart low after 3,000 miles

    My '02 Tahoe 5.3L with 208k miles is losing about a quart every 2k miles and from what I understand, is acceptable. I've been using 5/30 Mobil 1 full synthetic for high mileage for the last four years, and in the last year started adding just a tad bit of Lucas oil stabilizer. The Lucas seems to...
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    2002 Tahoe Fuel Pump Module Questions

    Everything worked out fine; I got the Delco MU1615 which is what I'm supposed to have. The design is quite different, but my Delco distributor confirmed for me it was correct, and I went on the Delco website and also confirmed part number with my VIN. Spliced in new connector and I was golden. I...
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    2002 Tahoe Fuel Pump Module Questions

    I've purchased all my Tahoe parts from the same Delco distributor for the last five years and they've never done me wrong. There's always a first, though. I plan on calling them this morning to confirm correct part number, our at least have them cross reference to my old part number. However...
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    question for the experienced fuel pump changer

    I'm doing my pump now; got the Delco and also noticed significant differences in design. Was your Delco also missing a fuel strainer and only two metal pillars connecting top and bottom of the fuel module. Oh! And different electric connector that has to be cut and crimped onto original harness?
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    2002 Tahoe Fuel Pump Module Questions

    Hi Everyone. My fuel pump took a dump last weekend and dropped the tank today. Second time fuel pump has gone out. The first was at approx 65k miles, this second time....at 208k miles. The last replacement was actually decent. Anyway, I picked up a Delco replacement, but I noticed the design is...

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