SOURCE: 1996 jeep grand cherokee limited v8
I might not have enough information but the squeal is most likely a worn bearing. Try to isolate it with a "mechanic's stethescope" to locate the source. A pin point shot of WD-40 at the whining bearing (NO NOT put it on good bearings should TEMPORARILY quiet it IF it is a bearing. DO NOT overspray, just at the center of the pulleys...the lubricant should get pulled into bearing to confirm that the pump (power steering would be my guess) needs replacing.
SOURCE: my car starts and then dies
sounds like a security issue they installed a factory security system which will prevent the vehicle from running unless its reset go to passenger door lock turn key twice it worked for me after chasing other problems for a few hours
SOURCE: Service 4 wheel drive, service electronic brake warning
This is caused by by a bad ignition switch. According to the dealer the ignition switch contains an antenna that many of the sensors use to communicate with the vehicle, as well as the key fob. When the switch starts going bad the vehicle computer losses communication with these sensors and starts producing codes which include the 4wd and the electronic brakes. My fiance has had the same issues with her Grand Cherokee as well as the key fob not working, the remote start not working, the service engine light comes on, the door chime will sound when the key is NOT in the ignition and the lights are NOT on, as well as numerous codes usually relating to loss of communication with one system or another. All of which are fixed once the ignition switch is replaced. Unfortunately, this usually only fixes the problem for a short time (weeks or maybe a few months) before the piece of junk ignition switch fails again and it all starts over.
SOURCE: Very rough idle on 2002 Jeep Grand Cherokee Limited Edition V8
If you haven't changed the plugs or had the fuel system cleaned, now would be a good time to do it. The number 1 culprit for rough idles is dirty injectors or plugs. You can try an injector cleaner in a can (or bottle) for under $10 and see if it helps, and then work from there. If there isn't any improvement then if you are able to, check the plugs for any gunky buildup and if you find a bad plug, make sure you replace them all (or have them replaced) at the same time.
SOURCE: 1996 jeep grand cherokee limited v8 5.2, A/C instructions?
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