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  1. nonickatall

    2002 Tahoe starts great when cold but will not right after driving

    Sure if the camshaft position sensor is not available, your engine don't know when to inject and when to ignite..
  2. nonickatall

    NBS / GMT800 Escalade rear window & 3rd brake light for sale.

    What means "bump" in that context ...
  3. nonickatall

    Problems with worn valves. Need good advice

    I am looking for good advice to refurbish the cylinderheads. I will do that first and I'm thinking about what mudsport96 wrote, just to swap the cylinderheads and inspect the cylinders when the heads a removed. My plan with the cylinder heads is first to clean the valves and the heads...
  4. nonickatall

    Problems with worn valves. Need good advice

    Work like a pro
  5. nonickatall

    2002 tahoe euro version

    Where was your car delivered? I know three gmt800 including mine, which where delivered in Germany and they don't had that programming... But if that is a solution, it is good...
  6. nonickatall

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Changed the blend door actuator. I had since a long time I had the problem that the nozzle of the fan to the right of the radio would suddenly emit hot air every now and then and then regulate normally again. This happened every now and then during longer journeys. Yesterday I drove 900 km...
  7. nonickatall

    2003 tahoe no crank no start

    You can simply bridge the two contacts with a not to thin wire.
  8. nonickatall

    2003 tahoe no crank no start

    proceed logically first. Identify the relay for the starter and measure with a multimeter on the starter relay socket whether there is power when you try to start the ignition switch. If there is no power, you have a problem with the immobilizer, the ignition lock, the ECM or whatever. If...
  9. nonickatall

    Problems with worn valves. Need good advice

    So today drove 900km through Germany to get two used 317 cylinderheads in a very good condition, a rebuild automatic transmission and some other spareparts for realy good money.. So it was worth to go that long trip.. .. Now i need gaskets and time and then the rebuil will start...
  10. nonickatall

    SOLVED - ABS light on after new front hub assy install(both sides)

    Measuring ohms makes no sense, ABS sensors can only be measured with an oscilloscope. If you have unplugged the old ABS sensor and plugged the new one in correctly, it should work. Normally the sensors need to travel a few meters to register with the car and for the ABS error to go away...
  11. nonickatall

    Mircophones in roof of Denali making a Humming noise

    He is right, that is a little fan and a sensor for the driver temperature for the air conditioning system. That is no microphone. Mine as well made noise, so i blew with pressurized air through the grid, since then there has been silence.
  12. nonickatall

    Cleaning Catalytic Converters

    I have cleaned catalytic converters many times. The problem is also that the catalytic converter gets clogged from the front with soot particles and other dust. You don't need any cleaning fluid for it. The prerequisite for cleaning the catalytic converter is, as already correctly stated...
  13. nonickatall

    Problems with worn valves. Need good advice

    Yes thats true, but i have also the problem of a weak compression on cylinder 5 and i would as well check the camshaft, the main bearings of the crankshaft and piston rod as well, as i would change main crankshaft sealings and clean and check the piston rings, and look for the barbell. And my...
  14. nonickatall

    '03 Denali air ride question

    I'm not familiar with the system on our cars, but I am very familiar with an airride system on a Mercedes Benz S-Class and I suspect the system is similar in function. You have a compressor, a pressure accumulator, a valve block, a high sensor, tubes from the compressor to the accumulator and...
  15. nonickatall

    Brakes

    @DrummerDude70 Propably your pad rotor combination is the problem.... But thats only an idea. Btw, i play the drums too. I would not call me a drummer but i love musik and i love to play. Thats me on the drums. I recorded myself on my roland TD 30 kv in one take...
  16. nonickatall

    Problems with worn valves. Need good advice

    I removed today all rocker arms, inspected all valve tips and as well made a pressure loose test on all cylinders. Six of eight intake valves are worn in. All more or less the same. Only two intake valves look ok. All exhaust valves are not affected. Pressure loos test was on all cylinders...
  17. nonickatall

    Problems with worn valves. Need good advice

    I understand what you mean. I saw some rebuilt videos from the LS/LQ engine. Isn't the risk not rather, that if you have too long pushrods that your valve is going to contact the piston? So the clearance of the piston is the problem, with the lengths of the pushrods from what I understand? As...
  18. nonickatall

    Help understanding the 5.3

    Without having seen the chips myself and having my own opinion, I wouldn't be too worried if the engine itself is running, doesn't make any noise, has oil pressure and this didn't happen during the last oil change. But I would take the oil pan down and replace the O-ring and the pressure...
  19. nonickatall

    2002 Tahoe starts great when cold but will not right after driving

    With components like MAF, coils, injectors even controllers like ecm, can sometimes be a proplem that they work when cold, but due to a little crack in a coil or a bad solder, they quit work when warm. I had that several times in my mecanical life. It is unlikely that you engine has a...
  20. nonickatall

    2002 Tahoe starts great when cold but will not right after driving

    I had that once on a Chrysler Lebaron convertible. There were injectors bad. But you should also check o2 sensors and mass airflow sensor. As well ingnition coils can be bad. When an engine runs cold, but not warm, its nostly some sensor or electrical issues. Does you temperature gauge shows...
  21. nonickatall

    Help understanding the 5.3

    You never can take too much care on oil pressure... :)
  22. nonickatall

    Brakes

    What brand do you use as pads and rotors? Do you control the pads? Is the surface clean? Can you take a picture of the rotor and pad surface and post it? And by the way. Do you play drums? Your nick sounds like it.
  23. nonickatall

    Help understanding the 5.3

    You need to understand how oil pressure in an engine is created. The oil pump, which is driven by the engine and is speed-dependent, generates oil flow, not oil pressure. This flow of oil is forced through the filter and transported through the oil channels to the bearings. This becomes oil...
  24. nonickatall

    Problems with worn valves. Need good advice

    I had a friend here today, he is a professional technician and he saw that the valve stem seals are not broken, they cut it and used some universal seals. So they took the base from the old seals probably to prevent the spring to work into the aluminium of the head. What morons... And he has...
  25. nonickatall

    Help understanding the 5.3

    Depends on a lot of circumstances. On a hot day it's faster warm, than in the winter. If you directly drive on the highway it's different than if you have stop and go in a big city. But when the coolant is on temperature, your oil is warm too. Not on maximum temperature, but warm enough to...

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