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Jeep Grand Cherokee Maintenance and Repair

4604 messages,  Last post on Nov 29, 2009 at 2:07 PM

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

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#4305 of 4604 by brianbossick Oct 19, 2008 (3:23 pm)
we have a 98 jeep grand cherokee, it will not rev over 2500 rpm we have been told its a vac problem we have checked all the hoses and can not find a problem. can the vac port on the fender pannel make this happen? Replies to this message: rwengr (Oct 20, 2008 7:04 am) tuggajb (Oct 20, 2008 1:21 pm)
#4306 of 4604 1995 GC Trans no 3rd or OD by trimdesigns Oct 20, 2008 (4:49 am)
Are there any transmission gurus out there? I have a 95 GC 4.0 4x4. My trans will run perfect in 1rst and 2nd, but no 3rd or OD. I pulled codes 14 and 26 from the onboard tranny diag OD light. My local tranny shop suggested a new tranny at $1300 regardless of diagnostic codes. What are my next steps? Any help will be appreciated. Thanks. Replies to this message: rwengr (Oct 20, 2008 7:08 am) dandg (Nov 20, 2008 3:42 pm)
#4307 of 4604 Re: 94 JGC stalls at idol [roskopcoe] by rwengr Oct 20, 2008 (6:47 am)
Replying to: roskopcoe (Oct 18, 2008 2:37 pm) Whatever the engine is doing with your foot on the peddle appears to be necessary to keep it running.   I have some suggestions which helped me.   Do a compression test. See HarbourFreight.com for gauges. If test results not too bad, then you have a chance. If you don't have compression, correcting other problems may not help much.   Service ignition (plugs, wires, and coil) to eleminate that area as an unknown.   Next, get the Haynes manual and go thru the section on emission controls and do every sensor, component, etc. test. You may have to create special test leads. See Radio Shack for miniature test clips and wire.   Then, disconnect every vacuum line from the intake manifold except crankcase ventilation and plug the manifold openings. Make sure crankcase hose is OK. Any hoses to the air filter should be plugged after disconnecting. If it runs better, you have a vacuum peripheral issue. Reconnect vacuum lines one at a time to see what might be causing the problem.   If you make improvements, but idle is still rough, consider replacing intake manifold or least re-torque the bolts.   My one experience with this sort of thing was on my 97 jeep. It idled very rough. Would almost stall. There was no single item responsible for the problem. It was a collection of little problems and as I addressed each one it ran better. Idle is a little rough because compression on cylinder 2 was a little low, but no driveability problems.
#4308 of 4604 Re: [brianbossick] by rwengr Oct 20, 2008 (7:04 am)
Replying to: brianbossick (Oct 19, 2008 3:23 pm) Your problem may not be the host, but the peripheral connected to other end. Try disconnecting and plugging all vacuum lines except crankcase ventilation. Plug hose and plug where you disconnected it. If it works better, re-connect 1 at a time to diagnose problem. You may have more than 1 issue.   If all else fails and you have time, replace intake/exhaust gasket and see what happens On 4.0L I6 they are combined. It's mostly labor. Gasket is not a big $ item. You can guarantee the intake gasket is not working as good as when it was new.
#4309 of 4604 Re: 1995 GC Trans no 3rd or OD [trimdesigns] by rwengr Oct 20, 2008 (7:08 am)
Replying to: trimdesigns (Oct 20, 2008 4:49 am) Your fate was sealed when you bought 4x4. I have a 97 4x2 with 170K and transmission shifts perfect.
#4310 of 4604 Re: [brianbossick] by tuggajb Oct 20, 2008 (1:21 pm)
Replying to: brianbossick (Oct 19, 2008 3:23 pm) could be pluged cataletic converter
#4311 of 4604 Rear defrost attachment to window melted by unekgal Oct 30, 2008 (5:41 am)
OK, a few weeks ago, prior to needing rear defrost in WV, I was loading stuff into the hatch and noticed as I looked up at the window that the piece that attaches the wires to the grid lines that run across the window to defrost was melted as well as the wires. We had not used rear defrost for a while and do not know where to begin to fix it. Is this a defective problem that Jeep should fix? Please help! Frosting every morning!!!
#4313 of 4604 Can 94 engine go in 90 Jeep Cherokee limited? by sassafrasnanc Nov 05, 2008 (4:56 pm)
The head gasket in my 90 Jeep Cherokee Limited has blown for good now and I need a new engine. Found a wreck 94 Cherokee for a super great deal that has an engine with 75,000 miles on it. Wondering if they are compatible? Some how I have a love-hate relationship with this car and KEEP putting money into it.... Replies to this message: rwengr (Nov 07, 2008 8:19 am) rself (Nov 24, 2008 8:13 pm)
#4314 of 4604 Tire pressure monitor light by vincerg Nov 05, 2008 (5:14 pm)
Hello too all:     I have a 2005 Grand Cherokee Ltd. The tire pressure monitor light comes on & the dealer suspects one of the sensors is the problem. In my opinion this feature is nothing more than a pain in my back side. It appears as though the monitor circuit is fused, (10A), but what I don't know is if the fuse can be pulled w/o creating a tsunami of additional problems. Any help would be appreciated. Replies to this message: rwengr (Nov 07, 2008 8:10 am)

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