How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask tristan Your Own Question

tristan
tristan, ASE MASTER
Category: GM
Satisfied Customers: 1538
Experience:  8yrs. exp. ASE MASTER
10186415
Type Your GM Question Here...
tristan is online now
A new question is answered every 9 seconds

HOW TO REMOVE OIL COOLER LINE 7.4 GMC

Customer Question

HOW TO REMOVE OIL COOLER LINE 7.4 GMC
Submitted: 5 years ago.
Category: GM
Expert:  tristan replied 5 years ago.

good luck. and please accept my answer. thanks T-MAN

 

 

Oil Cooler Hose/Pipe Replacement

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    Object Number: 106947  Size: SH
    Click here for detailed picture of above image.
  2. For the 7.4L Engine, remove the retainer clips and the brackets that secure the transmission cooler lines to the engine.
    Object Number: 106948  Size: SH
    Click here for detailed picture of above image.
  3. For vehicles with the GVW 15,000 lb chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106949  Size: SH
    Click here for detailed picture of above image.
  4. For vehicles with the Turbo Diesel GVW 15,000 lb chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106950  Size: SH
    Click here for detailed picture of above image.
  5. For vehicles with the 7.4L Engine and the Heavy Duty chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106951  Size: SH
    Click here for detailed picture of above image.
  6. For the 5.7L Engine, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106952  Size: SH
    Click here for detailed picture of above image.
  7. For vehicles with the 7.4L Engine and the GVW 15,000 lb chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106953  Size: SH
    Click here for detailed picture of above image.
  8. For vehicles with the Turbo Diesel with Heavy Duty chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106954  Size: SH
    Click here for detailed picture of above image.
  9. For vehicles with the Turbo Diesel with Light Duty chassis, remove the retainer clips and brackets that secure the transmission cooler lines to the engine.
  10. Disconnect the oil cooler pipe from the connector at the radiator.

    Important: Perform the following procedures when removing the retaining ring and cooler line from the quick connect fitting on the transmission.

  11. Pull the plastic cap back from the quick connect fitting and down along the cooler line about two inches.
    Object Number: 104737  Size: SH
    Click here for detailed picture of above image.
  12. Using a bent-tip screwdriver, pull on one of the open ends of the retaining ring in order to rotate the retaining ring around the quick connect fitting until the retaining ring is out of position and can be completely removed.
    Object Number: 104739  Size: SH
    Click here for detailed picture of above image.
  13. Remove the retaining ring from the quick connect fitting.
  14. Discard the retaining ring.
    Object Number: 104740  Size: SH
    Click here for detailed picture of above image.
  15. Pull the cooler line straight out from the quick connect fitting.
  16. Remove the retaining ring (E-clips) securing the cooler line to the quick connect in order to remove the remaining cooler lines from the remaining quick connect fittings.
  17. Remove the cooler lines from the vehicle.

Installation Procedure

  1. Install the transmission oil cooler line to the vehicle.

    Important:

    Do not reuse any of the existing retaining rings that were removed from the existing quick connect fittings. All retaining rings being installed must be new.
    Ensure the following procedures are performed when installing the new retaining rings onto the fittings.

     

  2. Install a new retaining ring (E-clip) into the quick connect fitting using the following procedure:
    Object Number: 104743  Size: SH
    Click here for detailed picture of above image.
  3. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
    Object Number: 104746  Size: SH
    Click here for detailed picture of above image.
  4. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.
    Object Number: 104741  Size: SH
    Click here for detailed picture of above image.
  5. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
    Object Number: 104664  Size: SH
    Click here for detailed picture of above image.
  6. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
  7. Install the new retaining ring (E-clip) into the remaining quick connect fittings.
    Object Number: 104740  Size: SH
    Click here for detailed picture of above image.
  8. Install the cooler lines to the vehicle.
    Object Number: 104752  Size: SH
    Click here for detailed picture of above image.
  9. Install the cooler line into the quick connect fitting.
  10. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
    Object Number: 104750  Size: SH
    Click here for detailed picture of above image.
  11. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
  12. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.
    Object Number: 104753  Size: SH
    Click here for detailed picture of above image.
  13. Position (snap) the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
  14. Ensure that the plastic cap is fully seated against the fitting.
    Object Number: 104754  Size: SH
    Click here for detailed picture of above image.
  15. Ensure that no gap is present between the cap and the fitting.
    Object Number: 104753  Size: SH
    Click here for detailed picture of above image.
  16. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting.
    Object Number: 104755  Size: SH
    Click here for detailed picture of above image.
  17. A hidden yellow identification band indicates proper joint seating.
  18. Install the cooler line into the quick connect fitting again in order to install the remaining cooler lines into the remaining quick connect fittings.
    Object Number: 106954  Size: SH
    Click here for detailed picture of above image.
  19. For vehicles with the Turbo Diesel with Light Duty chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106953  Size: SH
    Click here for detailed picture of above image.
  20. For vehicles with the Turbo Diesel with Heavy Duty chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106952  Size: SH
    Click here for detailed picture of above image.
  21. For vehicles with the 7.4L Engine and the GVW 15,000 lb chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106951  Size: SH
    Click here for detailed picture of above image.
  22. For the 5.7L Engine, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106950  Size: SH
    Click here for detailed picture of above image.
  23. For vehicles with the 7.4L Engine and the Heavy Duty chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106949  Size: SH
    Click here for detailed picture of above image.
  24. For vehicles with the Turbo Diesel GVW 15,000 lb chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106948  Size: SH
    Click here for detailed picture of above image.
  25. For vehicles with the GVW 15,000 lb chassis, install the retainer clips and brackets that secure the transmission cooler lines to the engine.
    Object Number: 106947  Size: SH
    Click here for detailed picture of above image.
  26. For the 7.4L Engine, install the retainer clips and the brackets that secure the transmission cooler lines to the engine.
  27. Install the flair nuts securing the oil cooler lines to the radiator or the auxiliary oil cooler if equipped.

    Tighten
    Tighten the flair nuts to 45 N·m (33 lb ft).

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. Todd L Rochester NY
< Last | Next >
  • I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. Todd L Rochester NY
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
 
 
 

Meet The Experts:

 
 
 
  • Gary

    GMC Technician

    Satisfied Customers:

    903
    15 years gm master tech/15 years ASE master tech
< Last | Next >
  • http://ww2.justanswer.com/uploads/ggrote1/2009-06-27_031011_me.jpg Gary's Avatar

    Gary

    GMC Technician

    Satisfied Customers:

    903
    15 years gm master tech/15 years ASE master tech
  • http://ww2.justanswer.com/uploads/CA/caprio23/2011-12-13_155550_20111213105344.64x64.jpg Anthony's Avatar

    Anthony

    ASE Certified Technician

    Satisfied Customers:

    476
    ASE Master Automobile Technician with over 20 years exp.
  • http://ww2.justanswer.com/uploads/Rocket2005/2009-09-13_133703_jack.jpg car tech's Avatar

    car tech

    ASE Certified Technician

    Satisfied Customers:

    448
    25 year master tech and shop owner
  • http://ww2.justanswer.com/uploads/2P/2paulm/2012-4-4_183431_justabswer.64x64.jpg Paul M ASE Master's Avatar

    Paul M ASE Master

    ASE Master Tech

    Satisfied Customers:

    187
    ASE Master Tech 20+ Years
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka- Moose)'s Avatar

    Chris (aka- Moose)

    GMC Technician

    Satisfied Customers:

    89
    16 years of experience
  • http://ww2.justanswer.com/uploads/AM/amedee/2013-10-24_23656_Amedee1.64x64.jpg Amedee's Avatar

    Amedee

    GMC Technician

    Satisfied Customers:

    360
    ASE Master Technician advanced level specialist
  • http://ww2.justanswer.com/uploads/DT/dt69nova/2012-6-15_234154_pic1.64x64.jpg Dave Nova's Avatar

    Dave Nova

    GMC Technician

    Satisfied Customers:

    2262
    ASE Master Certification. GM World Class Certification