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1-7 of 7 Results
  1. Engine Tunes/Mods
    I have a 2003 Trailblazer with a 4.2L 4X4. Bought her back 2 years ago now. Since then I've replaced many of parts. I got it with 238k and its sitting on 263k miles. Within those miles I've replaced; power steering pump, fuel filter, fuel pump assembly, spark plugs, suspension components, lift...
  2. 02-09 General Tech Q&A
    Hey guys, this is only my 2nd post BUT DEFINITELY NOT MY 1ST Problem w/ my Trailblazer. So I have an '04 TB LT EXT with about 162k. So about a month or two ago. I had an oil change at a local shop. They replaced my filter with a non ACDelco, and I seemed to have been having oil pressure issues...
  3. OEM Issues
    According to Pro Demand, this center screened port is the "Pressurized Oil from Oil Pump". Mine is getting clogged even after multiple oil flushes. Is this not filtered oil?
  4. General
    2004 Trailblazer LS 4.2 Open/Closed Loop operation & how it affects the issues below My first question involves the cel & how it affects mileage.I am currently in need of an oil change,which is triggering a P0014 code,cel and mileage. For the most part,Im familiar with how open/closed loop...
  5. The 02-09 "How-To" and DIY Section
    I am going to change my VVT next week and there is built up oil that has seeped onto the wiring harness. How do you change this? I can't find info anywhere. Is it even necessary? I can add a picture if it would be more helpful. Thanks!!!
  6. General
    I've been getting P0014 on my TB05 so I started to google around and decided to check out the VVT solenoid as first step. Just when I unplugged the connector I noticed the whole metal (visible) part of the solenoid is rotating almost freely. Seems strange, this part is not rotating at all on a...
  7. General
    Hi, I have a 2004 Trailblazer EXT LT (4.2). I need to replace my VVT solenoid. My problem seems unique though as I haven't seen anyone else mention this or complain about this on here or on YouTube. My particular issue is that the solenoid will not budge out of the engine block at all. I...
1-7 of 7 Results