I have a knock in my 2000 jeep grand cherokee

50

Asked by Man1973 Sep 14, 2014 at 12:48 PM about the 2000 Jeep Cherokee SE 4-Door 4WD

Question type: Maintenance & Repair

My wife's 2000 jeep grand Cherokee has a bad knock in it, I put oil in it for it was low but
the knock is still there even when I let the SUV warm up. I got a oil change last month
,we got it used and a tune up has never been done to it since we got it . What can I do ?
or am I suppose to look for a new car?

18 Answers

143,725

Not much can be done,accept a rebiuld,when oil ran low it probably burnt or spun a main bearing.

3 people found this helpful.
143,725

Yes you can drive it,but that said it may run with knock for a while,or it may run for a few minute,s before it sling,s a rod threw the block.

2 people found this helpful.
50

Ok thank you very much,can it hurt anyone by doing so?

2 people found this helpful.
143,725

No,it will just hurt the motor in the jeep.

2 people found this helpful.
199,765

Just a thought. Does the knock sound low in the engine or more towards the top? Some jeep engines are known for lifter tick. If sound is towards the top of engine this might be what you are hearing.

5 people found this helpful.
50

Ok again thank you for your time. Got another question I got a 2003 volkswagen jetta 1.8t 5speed it goes in gear but when I go to switch it into second the rpm goes up but the car barley moves .it moves slowly from second gear to when I shift into fourth, if I go to give it more gas the rpm goes up again.

2 people found this helpful.
143,725

Top Knock may not be as bad,as dandyoun said,but it is still there,may drive it for a while with a lifter tap.

1 people found this helpful.
143,725

I think it may be the clucth going bad,it is standerd right?

3 people found this helpful.
50

Is a lifter tap something I can fixs? With the vow yes it stick and that's what I thought it was.thank you

143,725

It can be fixed,but it would require,removal of the head,and rebiuld it.

2 people found this helpful.
50

What would suggest I do?i live paycheck to paycheck.

1 people found this helpful.
199,765

A sea foam oil treatment may help clean and quite them. Not changing oil properly causes sludge to build up in the lifter. But if looking to replace them I would also consider replacing the cam shaft. Have heard of jeep owners just replacing lifters and still having the lifter tick issue due to the lobes on the cam shaft being worn. If mine I would do the sea foam treatment and drive it. Now that's if it is lifter tick.

1 people found this helpful.
18,285

If the knock- tick is on top try the seafoam however drain it immediately afterwards! IOW CHANGE THE OIL seafoam has detergents in it that will loosen crud but this will run through engine if not drained! If knock is on lower end of car it is a ticking time bomb it may last 5 minutes , 5 months , 5 seconds! If it slipped a rod bearing it is only a matter of time before it blows up internally! No more engine! Either trade it in or repair it ASAP, either way it is going to cost you $$$' down the road!

3 people found this helpful.
5

For a 2003 Grand lifter tap; you can take the valve cover off to see if the rocker arm moves in anyway! If so; you can use a lifter remover to pull it out of the one hole that it's in and oil it then replace just that one lifter. Put it back together; new gasket, spec. it! Drive it!

Your Answer:

Cherokee

Looking for a Used Cherokee in your area?

CarGurus has 1,934 nationwide Cherokee listings starting at $5,899.

Postal Code:

CarGurus Experts

  • #1
    swtcat13
    Reputation
    4,070
  • #2
    JimRoy
    Reputation
    3,730
  • #3
    Gene Arnett
    Reputation
    3,700
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Jeep Grand Cherokee
124 Great Deals out of 3,505 listings starting at $4,950
Used Jeep Wrangler
127 Great Deals out of 5,924 listings starting at $6,500
Used Toyota RAV4
120 Great Deals out of 3,047 listings starting at $4,999
Used Toyota 4Runner
26 Great Deals out of 540 listings starting at $7,700
Used Dodge Durango
51 Great Deals out of 1,870 listings starting at $6,987
Used Ford F-150
318 Great Deals out of 13,660 listings starting at $3,800
Used Ford Explorer
65 Great Deals out of 2,071 listings starting at $3,333
Used Honda CR-V
170 Great Deals out of 4,990 listings starting at $440
Used Toyota Tacoma
46 Great Deals out of 728 listings starting at $8,995

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. Content will be removed if CarGurus becomes aware that it violates our policies.