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Abdulla Muhsen

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Everything posted by Abdulla Muhsen

  1. Abdulla Muhsen
    I found the brake pedal in my GMC Sierra 6.2 model 2014 is hard at idle after 2 to 3 presses. I cancelled the original vacuum pump line and connected the brake booster to the intake manifold vacuum source. The old line was covered with air filter element to avoid dirts to enter the vacuum pump. Now the problem is completely resolved. Is there any other options? Anyone tried this idea and appreciate if can share his experience and feedback. Regards,
  2. Abdulla Muhsen
    Hi All, In my GMC truck 1500 Sierra, it makes an abnormal noise under the brake pedal area while pressing it. The sound comes directly from interior and its like a whistle sound and called sometime a hissing noise. The brake system functions properly and without any defects except the mentioned noise. Is it possible from the brake booster? or could be from other sources? Appreciate sharing your experience feedback in this problem. Regards, Abdulla brake gmc.xspf
  3. Abdulla Muhsen
    Hi All, In my GMC truck 1500 Sierra, it makes an abnormal sound under the brake pedal while pressing it. The sound comes directly from interior and its like a whistle sound. Is it possible from the brake booster? or could be from other sources? Appreciate your experience feedback in this problem. Regards, Abdulla brake gmc.xspf
  4. Abdulla Muhsen
    Hi, I replaced TC and the problem resolved completely. The shuddering sound gone and shifting between speeds became more smooth. Thanks JimCost2014 again for your advise and information. Regards,
  5. Abdulla Muhsen
    yes its 6 speed
  6. Abdulla Muhsen
    Thank you JimCost2014 for your advise. will replace the torque converter and update. Regards,
  7. Abdulla Muhsen
    Dear All, I have Denali 2014 pickup and facing the same issue in the transmission between 1500 -2000 rpm. anyone resolved this issue and can share his experience please? I took my car to GMC dealer and waiting for their investigation result and will update their observations. Regards, Abdulla
  8. Abdulla Muhsen
    Hi All, I have converted the belt driven engine cooling fan with 2 electrical driven and connected the #42 pin which is for low speed fan to the PCU. Where is the connection for the high speed fan? some of wiring diagram shows pin 33, but it is not the one in 2004 GMC. Anyone can share the experience/ advise please? Regard,
  9. Abdulla Muhsen
    Hi All, I have connected the 42 pin which is for low speed fan, where is the connection for the fat speed fan? some of wiring diagram shows pin 33, but it is not the one in 2004 GMC. Do I need to connect the fast speed fan relay wire to AC clutch wire?
  10. Abdulla Muhsen
    sorry as im new in the forum i thought its going to all. Noted
  11. Abdulla Muhsen
    Hi All, I have connected the 42 pin which is for low speed fan, where is the connection for the fat speed fan? some of wiring diagram shows pin 33, but it is not the one in 2004 GMC. Do I need to connect the fast speed fan relay wire to AC clutch wire? Regards,
  12. Abdulla Muhsen
    Hi Sharpz, I've changed the alternator as informed and worked fine. thank you I also added 2 nos. of temp controller connected to each fans relays to adjust the required on-off rating for fans and going fine with me now.
  13. Abdulla Muhsen
    Thank you Sharpz for the information. Any part number or recommended suppliers to purchase please as I have to do overseas order. Regards,
  14. Abdulla Muhsen
    Dear All, I've changed the original belt driven radiator cooling fan in my GMC Sierra 2004 to an electrical driven type and want to know what is the best alternator to install to overcome the amp loss without adding/modifying alt. bracket/holder or wiring connections please? Regards,
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