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Old 02-11-2017, 05:16 PM
Randall008 Randall008 is offline
Learning to use the forums
Join Date: Oct 2016
Posts: 1
Default 2004 Ford Ranger 4x4- 4 high thunking noise

Hi My name is Randall. I have a 2004 ford ranger 4x4 with a 4 liter v6. When I drive in 2 wheel drive it goes just fine. Same with 4 low. This was a check, I don't try to drive in 4 low. The problem occurs in 4 high. I know you are not supposed to drive in 4 high on dry pavement. Anyway, when driving along in conditions where 4 wheel drive is desired, a clunk noise occurs periodically whether turning or going straight. I would like to know if A. is this causing damage to the vehicle and B. is there a way to fix it. Simple checks would be appreciated, as I am a beginner. It almost sounds like the 4 wheel is engaging and disengaging, but I don't notice it at all when I first change into 4 high. It only happens when driving down the road, usually when I have let off the gas and I am coasting. For example, when I am coming to a Red light or occasionally when I am turning. It also does not do it at all if the roads are extremely slippery. Any help would be appreciated, Thank you!
2004 ford ranger tremor edition

Last edited by Randall008; 02-11-2017 at 05:17 PM. Reason: forgot to add thank you
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Old 02-17-2017, 07:59 AM
joseph.rivera82 joseph.rivera82 is offline
Ford Motor Company
Join Date: Aug 2015
Posts: 148
Default Re: 2004 Ford Ranger 4x4- 4 high thunking noise

I can't say for sure, but I am almost positive your cv joint is broken. I think it's called the cv joint. Look under your truck on the front driveshaft. Is the boot torn?
When I bought my truck, I was a ranger noob and didn't bother to notice a bad cv joint. When I would put the truck in 4x4 I would hear a clunk about every 45 seconds or so. After some research I found out some reasons why it could be doin that. I bought a rebuild kit from the auto parts store and it never clunked after that.

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2006 4x4 3.0, Superlifted, 33x12.50 general grabbers, 15x8 method race wheels, kicker 10 inch comp rt, kicker 300.1 amp, JL audio components, bushwacker bed caps, uws toolbox(sitting in my office at work), 5% tint doors and rear.
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Old 02-17-2017, 09:36 AM
barneycat11 barneycat11 is offline
2006 FX4
Join Date: Nov 2014
Posts: 390
Default Re: 2004 Ford Ranger 4x4- 4 high thunking noise

Check your fluid levels in the transfer case, front and rear end also the drive shaft sliding rear spline could be causing the thunking noise.Check your u-joints for wear.
barneycat11 2006 FX4
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4x4 high, 4x4 issues, fluids, tcase, thunk

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