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  #16  
Old 08-13-2016, 08:11 AM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by bjurke View Post
tensioners should of been replaced at 70000 miles. at least one of your guides is gone. 2001 had weak guide design. front of motor guide most likely. will have to pull timing chain cover to check.
The truck has 160,000 miles on it. I didn't own it at 70,000. Assuming they were changed around that time, then I'm 20,000 miles overdue. So far, I've only got the rattle at start up, so I'm thinking it's the pre tensioners, but it very well could be a bigger issue. I already have the tensioners, so I figure I don't really have much to loose by changing them. Best case, my rattle goes away. Worst case, I'm at the same place I am now.
Back to my original question; do you know if you need to prime the pre tensioners before instal?
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  #17  
Old 08-13-2016, 09:04 AM
bigfisher bigfisher is offline
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Quote:
Originally Posted by Jimmyspy View Post
The truck has 160,000 miles on it. I didn't own it at 70,000. Assuming they were changed around that time, then I'm 20,000 miles overdue. So far, I've only got the rattle at start up, so I'm thinking it's the pre tensioners, but it very well could be a bigger issue. I already have the tensioners, so I figure I don't really have much to loose by changing them. Best case, my rattle goes away. Worst case, I'm at the same place I am now. Back to my original question; do you know if you need to prime the pre tensioners before instal?
You don't have to. I didn't.
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Originally Posted by 2004 fx4 level II
fuckin Nissan shhhiitttttttttt!!!!!!!!!!!!!!!!!!
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  #18  
Old 08-15-2016, 01:21 PM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by Jimmyspy View Post
The truck has 160,000 miles on it. I didn't own it at 70,000. Assuming they were changed around that time, then I'm 20,000 miles overdue. So far, I've only got the rattle at start up, so I'm thinking it's the pre tensioners, but it very well could be a bigger issue. I already have the tensioners, so I figure I don't really have much to loose by changing them. Best case, my rattle goes away. Worst case, I'm at the same place I am now. Back to my original question; do you know if you need to prime the pre tensioners before instal?
Get the ford ones. You shouldn't have to prime them. You're most likely going to have to pull the top of the thermostat housing off to get to the tensioner. If it continues its MOST LIKELY the front chain that goes from the crank to the jackshaft.
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  #19  
Old 08-15-2016, 03:52 PM
henryford henryford is offline
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Default Re: 4.0 sohc timing chain rattle - everything you need to know

curious to know if 2010 =4L V6 rangers have this problem ????
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  #20  
Old 08-15-2016, 05:08 PM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by 02RangerFX4 View Post
Get the ford ones. You shouldn't have to prime them. You're most likely going to have to pull the top of the thermostat housing off to get to the tensioner. If it continues its MOST LIKELY the front chain that goes from the crank to the jackshaft.
Sounds good.
Yea, I picked up the Ford ones (paid for it too)
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  #21  
Old 08-15-2016, 06:41 PM
bigfisher bigfisher is offline
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They still use the pre tensioners so it is very possible. Until you hear the noise I wouldn't worry about it.
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Quote:
Originally Posted by 2004 fx4 level II
fuckin Nissan shhhiitttttttttt!!!!!!!!!!!!!!!!!!
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  #22  
Old 08-16-2016, 03:19 AM
ranger024x4 ranger024x4 is offline
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Default Re: 4.0 sohc timing chain rattle - everything you need to know

Quote:
Originally Posted by henryford View Post
curious to know if 2010 =4L V6 rangers have this problem ????
They updated the guides in mid 03, so you are better off over the older trucks. I would still replace the timing chain tensioners at 70k latest. My dads 07 only has 30k on it but I plan on doing it in the next few months due to age.

for what its worth, I bought my first ranger, a 2002, in 2004 with 32k miles on it. It started making the dreaded timing chain rattle between 2-3k rpms at 45k in 2005.
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  #23  
Old 08-16-2016, 06:27 AM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by Jimmyspy View Post
Sounds good. Yea, I picked up the Ford ones (paid for it too)
Let us know how it goes and if you need any help.
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  #24  
Old 08-17-2016, 05:15 PM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by 02RangerFX4 View Post
Let us know how it goes and if you need any help.
Thanks man, will do.
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  #25  
Old 08-18-2016, 07:20 PM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by Jimmyspy View Post
Thanks man, will do.
Replaced both tensioners today. Lower one was a piece of cake, upper was a complete pain in the ass. There is just no room up there. Got the new tensioner in, but broke a thermostat housing bolt in the process. So I'll have to deal with that tomorrow.
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1995 Ford Ranger STX 4x4 ext. cab 4.0l v6 SOLD
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  #26  
Old 09-01-2016, 11:28 PM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by Jimmyspy View Post
Replaced both tensioners today. Lower one was a piece of cake, upper was a complete pain in the ass. There is just no room up there. Got the new tensioner in, but broke a thermostat housing bolt in the process. So I'll have to deal with that tomorrow.
How's the timing chain noise now?
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  #27  
Old 09-02-2016, 04:58 AM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by 02RangerFX4 View Post
How's the timing chain noise now?
The same if not worse Haha. Looking like I'll have to dig deeper.
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  #28  
Old 09-02-2016, 07:49 PM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by Jimmyspy View Post
The same if not worse Haha. Looking like I'll have to dig deeper.
When you say lower are you talking about the one underneath the timing cover?
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  #29  
Old 09-03-2016, 12:47 AM
Jimmyspy Jimmyspy is offline
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Quote:
Originally Posted by 02RangerFX4 View Post
When you say lower are you talking about the one underneath the timing cover?
Naw, I meant the one for the rear chain.
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  #30  
Old 09-03-2016, 06:51 AM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by Jimmyspy View Post
Naw, I meant the one for the rear chain.
If it's still making noise it's most likely the primary chain. Next thing I'd do is open the front cover and inspect the components inside.
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