2001 Yukon xl

Asked by Mar 16, 2016 at 10:24 PM about the GMC Yukon XL

Question type: Maintenance & Repair

My oil pressure gauge goes from 40 to zero
while driving and makes a knocking noise  
but when I first start it holds pressure to 40 I
soon as I step on da gas the meter waves

3 Answers

765

It could be the oil pressure sending unit, or the oil pump itself.

1 of 1 people found this helpful.
69,675

If you here knocking it wont be a bad sending unit,you have a bad oil pump.

104,375

Yep oil pump, don't continue to drive it you will wipe out the engine if damage hasn't already been done.

Your Answer

Yukon XL

Looking for a Used Yukon XL in your area?

CarGurus has 15,372 nationwide Yukon XL listings starting at $1,900.

ZIP:

GMC Yukon XL Experts

  • #1
    TK76
    Reputation
    350
  • #2
    Robert Davis
    Reputation
    200
  • #3
    tennisshoes
    Reputation
    190
View All

Related Models For Sale

Used Chevrolet Suburban
502 Great Deals out of 25,272 listings starting at $1,799
Used GMC Yukon
617 Great Deals out of 23,441 listings starting at $1,200
Used Cadillac Escalade ESV
137 Great Deals out of 6,092 listings starting at $3,900
Used Chevrolet Tahoe
859 Great Deals out of 44,870 listings starting at $1,980
Used Cadillac Escalade
267 Great Deals out of 12,721 listings starting at $2,000
Used Ford Expedition
352 Great Deals out of 17,676 listings starting at $1,989
Used GMC Sierra 2500HD
118 Great Deals out of 15,564 listings starting at $2,799
Used GMC Sierra 1500
1,246 Great Deals out of 71,104 listings starting at $1,750
Used Lincoln Navigator
85 Great Deals out of 3,956 listings starting at $1,500
Used Ford F-150
3,203 Great Deals out of 239,249 listings starting at $1,300
Used GMC Acadia
1,096 Great Deals out of 56,265 listings starting at $3,741
Used Chevrolet Silverado 1500
2,706 Great Deals out of 196,290 listings starting at $699
Used Toyota Sequoia
129 Great Deals out of 5,463 listings starting at $1,999
Used Cadillac Escalade EXT
22 Great Deals out of 630 listings starting at $3,999
Used Nissan Armada
169 Great Deals out of 10,307 listings starting at $3,400

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.