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Recent content by 1arnold1


    I had the same problem while under warranty. The dealership explained that some heads for that year leaked oil into the spark plug hole from the bottom of the tube. this was due to the metal casting was too porous and the only way to correct the problem was to replace the head which they did...
  2. Catalytic converter locations, PLEASE HELP

    The other CC is located next to the firewall and you will need to raise the vehicle to view it.
  3. Gas consumption!

    You didn't say what driving condition.... town or highway. I had a 2011 CXL 3.6 and highway got 25-27 MPG, city got 20ish.
  4. remote control

    You didn't mention which battery was replaced...auto or remote. see owner manual page 90 for remote info.
  5. How do I get into the trunk with a disconnected battery and closed trunk lid?

    If you can access the hood release then you can use the remote power attach points to connect another battery for temporary power.
  6. 2019 Buick Lacrosse Auto Stop

    I got the Range Start/Stop Disabler as Jetman2
  7. 2019 Buick Lacrosse Auto Stop

    Thanks Benzadmiral I followed your advice and did as jetman2 did. NO MORE AUTO SHUT DOWN.
  8. 2019 Buick Lacrosse Auto Stop

    Does anyone know how to disable the Auto Stop? It appears over time it will wear out the starter.
  9. need help-on 2010 lacrosse- pinpointing the location of the EVAP PURGE SOLENOID under the hood?

    On 2011 it is between the firewall and the throttle body. I had to remove the air duct that attaches to the throttle body to get to mine.
  10. 2011 LaCrosse oil recommendations

    I have a 2011 Buick Lacrosse 3.6 and I use Pennzoil synthetic blend 10-30 (full synthetic would work also IMO) which I order on line from Walmart since they don't carry on the shelve. Prior to using Pennzoil I used Quaker state full synthetic but no longer for the following reason. While...
  11. 2011 Buick Lacrosse CXL P0420 and P0430

    They covered it under powertrain 60MO or 100,000Miles
  12. 2011 Buick Lacrosse CXL P0420 and P0430

    If you did not have oil on the rubber seal of the coil wire I don't think it would be the spark plug tube seals. I have a 2011 CXL and during the warranty period (had approx. 95000 miles on vehicle) I removed #1,3,5 plug wires (easy to get to with out removing the intake)and saw oil in the spark...
  13. Where is my ac low port for my buick lacrosse cxl

    Don't know what year you are referring to but on the 2011 it is under the air filter box which has to be removed to service.
  14. 2011 Buci LaCrosse Bluetooth Issues

    Have you contacted On Star?
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