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#1
Could This be Tensioner?
What are some of the symptoms of knowing when you need to change your timing chain tensioners? My 02 xkr has 112k miles (bought at 108k) and I don't think it'd been done. I recently began hearing a strange noise at around 2400 rpm and then it goes away. At idle, it sounds like it ticks more than it should. Probably can't REALLY hear it from the video, but it sounds abnormal to me. I want to get them replaced, but I'll have to see how much the dealership charges. I'd just like to know if there's a way you can tell.
Last edited by lossking_; 10-15-2016 at 07:15 PM.
#2
1. Do not go to the dealership. Most of them do not know the early V8 very well, and many just see you as retirement funding.
2. A subject of 'could this be tensioners' would be more useful. It's unlikely for a 02 XKR to have failed tensioners.
3. Ask the forum for suggestions for a independent shop in your area.
2. A subject of 'could this be tensioners' would be more useful. It's unlikely for a 02 XKR to have failed tensioners.
3. Ask the forum for suggestions for a independent shop in your area.
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lossking_ (10-15-2016)
#3
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Seriously, to my untrained ear, I hear the injectors ticking but nothing else untoward. 2002 will have the 3rd gen tensioners: there have only been one or two reports of their failing, so unlikely.
You're obviously concerned, so have someone who you trust take a look.
That motor is spotless!
HTH,
Mike
#4
...valve heads dropping out of the tailpipes.
Seriously, to my untrained ear, I hear the injectors ticking but nothing else untoward. 2002 will have the 3rd gen tensioners: there have only been one or two reports of their failing, so unlikely.
You're obviously concerned, so have someone who you trust take a look.
That motor is spotless!
HTH,
Mike
Seriously, to my untrained ear, I hear the injectors ticking but nothing else untoward. 2002 will have the 3rd gen tensioners: there have only been one or two reports of their failing, so unlikely.
You're obviously concerned, so have someone who you trust take a look.
That motor is spotless!
HTH,
Mike
#5
About those 2002 tensioners...
My 2002 XK8 build date is June 14, 2001. Best I can determine from research done by others on this site, my tensioners are not "first generation," but they still contain a substantial amount of plastic and are not the latest generation.
I have had my tensioners inspected and plan to have them replaced as preventative maintenance. Is it possible, if your car was built later that year, that it had the mainly metal tensioners?
I have had my tensioners inspected and plan to have them replaced as preventative maintenance. Is it possible, if your car was built later that year, that it had the mainly metal tensioners?
#6
My 2002 XK8 build date is June 14, 2001. Best I can determine from research done by others on this site, my tensioners are not "first generation," but they still contain a substantial amount of plastic and are not the latest generation.
I have had my tensioners inspected and plan to have them replaced as preventative maintenance. Is it possible, if your car was built later that year, that it had the mainly metal tensioners?
I have had my tensioners inspected and plan to have them replaced as preventative maintenance. Is it possible, if your car was built later that year, that it had the mainly metal tensioners?
#7
My '02 had the second generation plastic tensioners which were cracked half way up upon replacement. The conversion to metal tensioners occurred in August 2001 but many '02 cars were built by then.
If your manufacturer date is January 2002 then you are about 95% safe. The August date is for the engine manufacture and there is not a direct correlation between engine date and final assembly date.
If your manufacturer date is January 2002 then you are about 95% safe. The August date is for the engine manufacture and there is not a direct correlation between engine date and final assembly date.
The following users liked this post:
lossking_ (10-15-2016)
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The following users liked this post:
lossking_ (10-15-2016)
#9
My '02 had the second generation plastic tensioners which were cracked half way up upon replacement. The conversion to metal tensioners occurred in August 2001 but many '02 cars were built by then.
If your manufacturer date is January 2002 then you are about 95% safe. The August date is for the engine manufacture and there is not a direct correlation between engine date and final assembly date.
If your manufacturer date is January 2002 then you are about 95% safe. The August date is for the engine manufacture and there is not a direct correlation between engine date and final assembly date.
#10
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