I have a 1993 GMC suburban K1500, 5.7 engine. After engine warms up engine starts whing and whisling from TBI area. fixed a couplevacuum leaks and tested all front engine pulley but still cant find problem.

Asked by Feb 18, 2016 at 01:10 PM about the 1993 GMC Sierra C/K 1500

Question type: Maintenance & Repair

I have a 1993 GMC suburban K1500, 5.7 engine. After engine warms up, engine starts whining and whistling from TBI area. Fixed two vacuum leaks and tested allfront engine pulleys, but still doing it. Can anybody help?

1 Answer

19,535

I've heard the power steering pump whine in multiple trucks. I've heard the iac whistle, wouldn't hurt to take it out and see if it's dirty in there

Your Answer

GMC Sierra C/K 1500 Experts

  • #1
    Andrew Olsen
    Reputation
    170
  • #2
    enginecreator
    Reputation
    130
  • #3
    John Saffrahn
    Reputation
    120
View All

Related Models For Sale

Used GMC Sierra 1500
1,038 Great Deals out of 66,431 listings starting at $2,495
Used Ford F-150
2,610 Great Deals out of 198,105 listings starting at $1,300
Used GMC Sierra
22 listings
Used GMC Yukon
475 Great Deals out of 22,297 listings starting at $1,995
Used GMC Sierra 2500
4 Great Deals out of 153 listings starting at $2,995
Used Chevrolet C/K 1500
876 listings starting at $1,900
Used Dodge Ram 1500
379 Great Deals out of 10,831 listings starting at $1,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.