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  1. Fernando Escobar

    Trying to Pass Smog using O2 extender

    good morning, ladies and gents. I am having an issue and I was hoping to get some wonderful feedback from you. After I rebuilt my engine, I am having an issue with my cat on bank one. Can’t clear the code. I swapped out the O2 sensors for a brand new OEM‘s problem still consisted.. So before I...
  2. Fernando Escobar

    Help me find the SNAFU

    Hey guys So I just rebuilt the suspension on this 04 tahoe with polyurethane bushings all around new tire rods, new ss brake lines and a new brake job But there seems to be this creaking noise when we turn the steering wheel and it only happens when the truck is in drive and with your foot on...
  3. Fernando Escobar

    Gen 4 oil pump on LM7

    hey gentlemen Got a quick question. I’m rebuilding an LM7. My customer is on a budget and we not replacing oil pump. But i was wondering i have a left over oem oil pump from my 6.2 Denali rebuild. So... is it possible as long as I change the spring to reuse this oil pump on this lm7 build? Or...
  4. Fernando Escobar

    catalytic function not clearing (should I do more parts cannon)

    Hey guys So I went to do a smog in early Jan and it failed because the Catalytic Converter diagnosis is not ready. I cleared the ECM multiple times disconnected the battery and have driven the truck over 500 miles now to no avail. It is cammed and I need to clear a P0300 that bugs it with a...
  5. Fernando Escobar

    Is my timing causing me a P0300 code

    Hello everyone. So a few years (2018) To be exact I pulled my engine after I was trying to add some headers to my engine and it had to many broken bolts. So I basically refreshed the whole engine added new bearings an LS2 chain and LS7 Lifters and Valve Springs (The Blueys) with a splash of...
  6. Fernando Escobar

    The DOD tick finally got to me

    So after 180,000 of religiously changing my oil at the 50% life marker the lifters are looking like they are going bad and i am sure the camshaft is getting scored. SO Its time to start looking for a cam and rockers that will be necessary for the DOD delete. I don't know if I want to keep the...
  7. Fernando Escobar

    A little help and Direction Air Lift Suspension

    Good Morning Gang So I needed to see if anyone here can point me in the right direction. I have installed an air lift to assist my 2013 Yukon Denali XL. When we travel to Mexico every summer we carry an extra hitch cargo bar for the luggage and a top rack for other misc stuff. then when we...
  8. Fernando Escobar

    4WD Diff vs. AWD Diff.

    Hello guys long time reader but first time caller. I had a question for you guys and see if any-one can help me out here. I have a 13 Yukon Denali XL AWD and on the last oil change I noticed the front Differential was leaking fluid from what I assume is the pinion seal. I also have a 02 Tahoe...

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