International Full Size Jeep Association

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waggin'ear 05-04-2001 03:35 AM

Remember there are no stupid questions, just stupid people that ask questions.

Well, i put the new radiator in and it's running great. I hope you guys don't think i'm a total loser, but i got the 3 core (this is going to be a daily driver, no towing and no serious off-road, and being a novice i couldn't even begin to conceive how to trim the fan shroud).

Here's my question. (727 auto, NP 219) I tried the 4wd hi-lock and 4wd-lo and i think i've got trouble. When i accelerate slowly no problems. When i gave it some gas there was a loud metallic noise (sounded like a straining?, slipping chain?) then when i shifted it back to 4hi it remained in 4hi-lock. After shutting off the engine and shifting agaain it went back into 4hi.

I am going to start by checking/changing the x-fer case and differential fluids, but i am afraid it might be a different problem. any ideas or suggestions.

Is there anyone in Raleigh, NC with experience?

Thanks again, this forum is great.

'82 wag ltd, 152k
360 AMC, 2vl, NP219, 727
stock, down to the original radio (w/cassette player!)

80wag.Darryl 05-05-2001 01:29 AM

Re,X-Case Fluid.My x-case calls for 10-30 in the manual,but it appears it has trans fluid.Is this a problem?I beleive its a 219,in the 1980.

SOA,32x11.50's,3" body lift,Pretty Darn Quick.
"Lead Follow,Or Get The F#%& Out Of The Way" !

Chiefly77 05-05-2001 05:47 AM

Hey waggin'ear, welcome to IFSJA. Good to see yet another NC jeeper.

About your fast are you going when the noise starts and are you in 4lo or hi? About your jeep staying 4wd, after you switch it back to 4hi, try going in reverse. That works on the QTs I'm not too sure about the NP 219, but its worth a try. Also you might not be completely in gear, that would account for the noise. Make sure that the lever is pulled all the way up, (pull it fast and hard), when in neutral at about 3-5 MPH.

Well, let me know more about this problem...


Charlie Nimitz
'77 Cherokee Chief W/T
QT w/low range
31" x 10.50" General Grabbers

My FSJ page

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