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Had the AC compressor replaced. Before hand the idle would go up maybe 200 RPM when AC was engaged, now no rpm increase. In my experience when ac activated the idle would go up to compensate for load. Am I wrong? TIA.

How do I adjust idle speed on my 4.0 ohv w ac on ?

looking how to adjust idle speed, base idle and with ac on

98 4X 4.0 auto.

I live in Peoria, AZ. Kinda northwest Phoenix. Driving a 98 XLT 4X 4.0. I’m wondering if there is any other members that live in this area that can recommend a place for service. General maintenance and engine. I’m getting older and can’t quite crawl around and under a car like I used to...

I have the same noise. 98XLT 4X. Any progress?

Thanks Ron. Very helpful. In my reading I found that the rockers and pushrod wear where they meet and causes noise. My rig is a 98 with about 230k miles but in very nice shape generally and the engine runs good. I prob Need to tap on exhaust with a rubber hammer as the noise travels and hard to...

Engine noise. Valve train? Will lifters, pushrods and rockers make the noise go away? I believe I’ve narrowed it to that.

Just lubed the slip joint on my 98 and what a wonderful change!

I’m a Navy vet as well.

Thank You! Fun to be here and very educational!

New from Phoenix. 98 XLT and looking for knowledge. Especially suspension.