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  1. jniolon

    "THUNK" in the left rear end

    hmmmm, didn't check motor mounts, that IS an old chevy problem...I'll check that today, the front mount bushings seem good j
  2. jniolon

    "THUNK" in the left rear end

    2008 Suburban (same one discussed in the towing stuff thread) has developed a "thunk" when you accelerate from a dead stop. Feels and sounds like on the left side. If you pull off slowly, no thunk, but if you press it a little hard...thunk. We put it on a rack and looked all over and see...
  3. jniolon

    Suburban towing stuff

    you guys are way above my pay grade... my diagnostic tools are timing lights and dwell meters :). But, I've got a friend with a good scan tool and some knowledge and he might be able to give me some help. I have a cheapo obd reader that showed the P0300 and I cleared that. I'll bet that...
  4. jniolon

    Suburban towing stuff

    and I got to say thanks for all the responses... tried some other boards and one vague response from one and crickets on the other...you guys rock
  5. jniolon

    Suburban towing stuff

    any real test for fuel pump problem other than checking pressure... and that is a static snapshot test and not real time during the tow, right ??
  6. jniolon

    Suburban towing stuff

    after that trip I realized I needed WDH bought a Fastway E2 trunnion bar set up 800 # TW 8000 MTW should make a lot of difference in bounce and sway. john
  7. jniolon

    Suburban towing stuff

    Battery is ab out 13 mts old.... plugs have abt 35K on them but not sure if he changed the wires when he did the engine swap. And yes I was in tow/haul mode and I will use premium in the future ! that trip was during the Colonial pipeline hack and I was lucky to find regular... never saw...
  8. jniolon

    Suburban towing stuff

    thanks WSteele I had new engine installed 35K ago due to the great idea chevy had with the V-4 - v-8 mode and he did new plugs since the old ones had 130K on them... hard to believe it was a plug misfiring but I've seen stranger things... so, you think this nothing to worry about or is there...
  9. jniolon

    Suburban towing stuff

    did my first real trailer trip towing my truck this past weekend and was generally pleased but found several things I need to address. first... the rig is 2008 Suburban 5.3 L 4 speed auto with 3.73 axle and 20" tires towing package installed stock from factory GCWR is rated at 13,000 (from the...
  10. jniolon

    Suburban oiling problem....maybe ???

    here’s one for you.... 2008 Chevy Suburban 5.3L with 132K miles I bought it at 60K five years ago... every oil change w/filter of course has been 5000 miles OR LESS. Castrol or Valvoline full synthetic oil....NAPA Gold filters. Last week after a short (100mile) freeway round trip I heard a...
  11. jniolon

    2008 Suburban cabin air filter

    Does a 2008 Suburban LT have a cabin air filter ?? is it in the usual place under the dash?? thank John
  12. jniolon

    glove box code sticker

    found em... thanks... trying to decide if my 08 burb has the cajones to pull a car hauler trailer with a '53 f-100 on top
  13. jniolon

    glove box code sticker

    thanks for the reply Jeff. I entered "2008 Chevrolet Suburban rpo codes" in the search box at top of page and got nuthin.
  14. jniolon

    glove box code sticker

    on another site I was referred to a 'code' in the glove box... got an answer there for that problem. Now I'm wondering about all those codes and what they mean. there are 93 3 digit codes on the sticker... Can anyone point me to somewhere that deciphers what they mean... thanks John

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