My 2003 Ford Explorer XLT V8 5.4l had a dry oil stick, added 5 qts of oil, drove it for the evening and all of a sudden a really loud knocking started. Did it blow a piston?

40

Asked by Aug 17, 2016 at 12:15 PM about the 2003 Ford Explorer XLT V8 4WD

Question type: Maintenance & Repair

The engine still starts after a long crank.  The knocking is coming from deep
inside the engine.  Is it worth fixing?

7 Answers

31,625

It likely has a ruined crankshaft or rod bearing...or several. Pistons and or cylinder walls could be scuffed also. If it is knocking and was run very low on oil the end result will not be good.

2 out of 2 people think this is helpful.
31,625

Are you sure that your Explorer has a 5.4 engine? Or this this an Expedition? No matter the above still applies.

2 out of 2 people think this is helpful.
40

It is a V8 . . 4.5L I think . . regardless, would the cost of repair cost more than $1,000?

2 out of 2 people think this is helpful.
78,525

Yes, possibly a great deal more.

2 out of 2 people think this is helpful.
31,625

If it is a V8, then it is a 4.6 L. You might consider a used engine from a salvage yard (that can be somewhat of a gamble unless you get a warranty) or a rebuilt engine. I think just in labor alone you are looking at over a grand.

1 out of 1 people think this is helpful.
40

Thank you. I assumed as much . . given that we just spent $700 in repairs and gave it to our 17 year old, I am not willing to do much more.

2 out of 2 people think this is helpful.
31,625

I don't blame you. You could maybe consider a used or rebuilt engine, but unless you can install it yourself you are still looking a a rather large repair bill of $2,000 plus. Best of luck with it.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

  • 2003 explorer V6 engine knock. 6 answers

    80000 miles. engine ran good 6 months ago. Upon startup a knock developed. Changed oil, no change. Replaced tensioners on both front and rear, old ones looked good, but replaced anyway. No change...

    2003 Ford Explorer

    -

    Maintenance & Repair

  • what is the average mileage lifespan of the 2007 Ford Explorer XLT? 12 answers

    what is the average mileage lifespan of the 2007 Ford Explorer XLT? I know Hondas are good for 200- 300k miles... Also, how much repair have these vehicles needed?

    2007 Ford Explorer XLT

    -

    Maintenance & Repair

  • whining/wheezing/seezing sound, explorer wont start, radiator and reservior dry, had stripped bolt in water pump. reservior drained daily. 4 answers

    my 1997 ford explorer was draining water from the back flow reservoir so i had to fill it daily, even twice a day. according to my roomate, he forgot to fill the reservoir even once. on the 3rd day t...

    1997 Ford Explorer 4 Dr XLT SUV

    -

    Maintenance & Repair

  • 4.6 v8 timing belt noise. 3 answers

    thanks LouB,but i thought issues concerned 4.o liter engines & not 4.6, do you have any specific info.concerning 4.6 timing belt tensioners?? on where i could review them? Can i remove drive belt to c...

    2003 Ford Explorer Eddie Bauer V8 AWD

    -

    Maintenance & Repair

  • 2010 FORD ESCAPE FANS RUNNING CONSTANTLY 200 answers

    I have a 2010 Ford Escape. Recently the Air Conditioning control went out and would not work on setting 1. At the same time the 2 radiator fans under the hood started running constantly and very loud....

    2010 Ford Escape XLT

    -

    Maintenance & Repair

Explorer

Looking for a Used Explorer in your area?

CarGurus has 74,242 nationwide Explorer listings starting at $985.

ZIP:

Search Ford Explorer Questions

Ford Explorer Experts

#1 OJ
OJ
Reputation 8,810
#2 Tom Demyan
Tom Demyan
Reputation 3,490
#3 tennisshoes
tennisshoes
Reputation 1,970
View All

Related Models For Sale

Used Jeep Grand Cherokee
1,175 Great Deals out of 71,083 listings starting at $495
Used Ford Expedition
631 Great Deals out of 23,408 listings starting at $997
Used Chevrolet Tahoe
1,082 Great Deals out of 32,101 listings starting at $1,495
Used Ford F-150
3,487 Great Deals out of 207,667 listings starting at $1,273
Used Dodge Durango
477 Great Deals out of 23,487 listings starting at $950
Used Ford Escape
1,700 Great Deals out of 87,251 listings starting at $995
Used Toyota Highlander
712 Great Deals out of 28,052 listings starting at $2,988
Used Toyota 4Runner
428 Great Deals out of 20,863 listings starting at $2,499
Used Honda Pilot
638 Great Deals out of 20,866 listings starting at $1,500
Used Ford Explorer Sport Trac
77 Great Deals out of 2,039 listings starting at $900
Used Nissan Pathfinder
605 Great Deals out of 27,175 listings starting at $1,795
Used Ford Explorer Sport
286 listings starting at $995

Used Cars For Sale

2017 Ford Explorer For Sale
5 Great Deals out of 40,217 listings starting at $24,490
2016 Ford Explorer For Sale
277 Great Deals out of 9,031 listings starting at $16,995
2015 Ford Explorer For Sale
207 Great Deals out of 3,626 listings starting at $11,999
2014 Ford Explorer For Sale
392 Great Deals out of 6,015 listings starting at $12,995
2013 Ford Explorer For Sale
332 Great Deals out of 4,882 listings starting at $9,995