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Jeep Grand Cherokee Maintenance and Repair

5134 messages,  Last post on May 20, 2013 at 1:06 PM

You are in the Jeep Cherokee and Jeep Grand Cherokee Forum.

What is this discussion about? Jeep Grand Cherokee, Jeep Cherokee, SUV

    

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Messages Page 476 of 515

#4742 of 5134 cat problems by bigcharlie7

Apr 19, 2010 (8:28 am)

I have a 2000 Jeep Grand Cherokee Limited 4.7 . I have recently had the motor rebuilt. and they tell me, my pre cat and aft cat are plugged. It is very expense for these. I also live in San Diego, Ca. So, the dealer is the one that carry the cats. I need other place or someone who can sell me there used ( but good ) Catalytic Converter. I have found after market cheaper. But they won't ship to California even if they are OB-II. Can anyone help me.

#4743 of 5134 Re: 95JGC-ROUGH RUNNING ON START UP [bruno5] by deratristar

Apr 19, 2010 (9:00 am)

Replying to: bruno5 (Apr 13, 2010 4:48 pm)
Yes, I am interested as well. This happens in my 2000 JGC occasionally, especially when it is warm. Cold starts don't have the issue most of the time.

#4744 of 5134 Re: cat problems [bigcharlie7] by loosenut

Apr 19, 2010 (12:10 pm)

Replying to: bigcharlie7 (Apr 19, 2010 8:28 am)
cali emissions control board are the strictyest inth land,
 
lived in lala land for 8 yrs,and-no-NOBODY will sell you used cat converters..it's illegal,plus,the platinum in those makes th resale value utrageous..
 
my best sugestion..
first,is th exhaust on th car> if they're off,take a soft-brass HAMMER,and knock th crap out of them.. i found a old ford aerostar i got way cheap..would start,but when you'd try to accelerate-even in park,it'd die.. went to the exhaust pipe,and listened--it was TOO quiet.. figured it was kinda like "th bananna in th tailpipe" syndrome,where in fact-=like most american drivers-they "baby" their cars,and seldom clear out th exhaust-by "kicking it in th butt"every now and then..add to that,the cheap CRAP they sell us for gasoline,and the converter gets plugged..out of shear desperation,i climbed under it,and took my 28/oz framing hammer-and tried my best to knock a hole in th converter...th metal(after th shield came off),was so soft,it wouldn't make a hole..ten minutes of really hitting it,i gave up-for then..just to try it,went and started it up..a HUMONGUS cloud of coal black smoke came out th tailpipe,and that van never ran better!!...i did give it a new o2 sensor,but drove that truck till th wheels fell off-for over five yerars !
you might want to try knocking th crap loose,maybe put a new muffler,as those are only $50 buks or so,some new o2 sensors,and give THAT a try !

#4745 of 5134 99 Grand Cherokee won't turn over by johnmarsh

Apr 19, 2010 (9:53 pm)

Hi, I've recently had trouble starting my Jeep, as soon as I put the key in the ignition all the gauges come on as normal and so do all the lights and all other minor electronics but when I turn the key absolutely nothing happens, the jeep doesn't even try to turn over, someone mentioned that a key gauge is supposed to light up when the key is inserted but I haven't seen one light up.
 
These are the things I've already checked out.
 
-Jump started the jeep with no luck
-Checked the starter fuse
-I've also bridged the starter with a screwdriver which worked for a day but since then I've tried doing the same thing but it doesn't work.
 
Any help would be great. Oh yea ever since I've had the jeep there are times that I have to push the gear shift in park a little more and it would start up right away, but that won't work either.

#4746 of 5134 Re: cat problems [bigcharlie7] by rwengr

Apr 20, 2010 (8:07 am)

Replying to: bigcharlie7 (Apr 19, 2010 8:28 am)
Try ebay motors. I've been buying a lot of parts there. I've seen new converters for sale. If you find one and it's not an oem fit, see if a muffler shop can make an adapter. You probably could use a new muffler or brakes. Ask them to install new cats as part of a pkg.
 
I don't know what kind of reception you are going to get if you ask them just to install your new cats

#4747 of 5134 Starting then running rough??? by schwab415

Apr 29, 2010 (7:54 am)

I have replaced the battery, alternator and belts...Each morning the Jeep will crank, but will not start until I hit the gas pedal. Once it gets going, it will not idle so I have to keep the gas and break pedal held to shift into gear, which at this time still has a hard time going. The weird thing is when the Jeep is driven somewhat, it will start the next time throughout the day no problem??? I only have this problem in the mornings, but it seems to be getting worse. Has anyone else had this problem and if so how did you remedy this situation??? Please advise!

#4748 of 5134 Re: Starting then running rough??? [schwab415] by rwengr

Apr 29, 2010 (10:25 am)

Replying to: schwab415 (Apr 29, 2010 7:54 am)
With electronic fuel injection everything is controlled by the engine computer. You shouldn't have to put your foot on the gas to start it.
 
When you turn key to start it, give it at least 5 secs to start before you release key.
 
Basically there's no reason to put your foot on the gas until the engine has started, you put it in drive, and you're ready to move forward.
 
You might try cleaning the throttle and the intake manifold.
 
The intake at the head should have a dry, black, carbon deposit if it is dirty. It should not be wet.
 
Get a Haynes manual and follow their procedures.
 
I have a Jeep with 178K, Ford Escape 120K, and Toyota pickup with 120K. I never had a problem that required replacement of the fuel injectors.
 
I have had starting problems where the starter motor was not completely dead, but it was not functioning properly. Replacing a starter is one of the easier DIY jobs.
 

#4749 of 5134 1994 jeep grand cherokee laredo by stevencap09

Apr 30, 2010 (6:18 pm)

how do you remove the serpentine belt?

#4750 of 5134 Re: 1994 jeep grand cherokee laredo [stevencap09] by rwengr

May 02, 2010 (9:55 am)

Replying to: stevencap09 (Apr 30, 2010 6:18 pm)
I have a 97 JGC with 4.0 L I6 and mine works this way.
 
My tension adjustment bolt is attached to the power steering bracket. It is a very long bolt mounted at a 45 deg angle relative to the pump (/). You have to loosen the pump mounting bolts and then loosen or tighthen the tension bolt to adjust belt tension. If you can't get the belt off I suggest you look at removing the power steering pump. I know that will work because I had to remove pwr steer pump to work on engine.

#4751 of 5134 Re: cat problems [rwengr] by igozoomzoom

May 02, 2010 (3:10 pm)

Replying to: rwengr (Apr 20, 2010 8:07 am)
A great resource for locating used/salvage parts is the website www.Car-Part.com...
 
The site has access to the inventory of thousands of salvage yards across North America. It shows you a list of what's available including the price, condition and location. Many of the vendors even offer a warranty on the parts they sell....and a return policy.
 
I've had great luck finding parts for my '95 JGC Laredo 4.0L and my '06 Mazda3!

Messages Page 476 of 515

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