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Car Forum / Ford / Ford Explorer / August 2006

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chirping upon acceleration

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Bob - 21 Jul 2006 23:01 GMT
When I accelerate even slightly in my '94 XL I hear a chirping sound.
Like a bird. It goes away immediately when I ease off the accelerator
pedal. Doesn't affect performance, just annoying and maybe something on
it's way out? Any ideas/suggestions appreciated. thanks.
Art McClinton - 21 Jul 2006 23:50 GMT
Very interesting that this appears next to the belt tensioner.  In my 97
the chirping sound went away when I replaced the belt tensioner.

> When I accelerate even slightly in my '94 XL I hear a chirping sound.
> Like a bird. It goes away immediately when I ease off the accelerator
> pedal. Doesn't affect performance, just annoying and maybe something on
> it's way out? Any ideas/suggestions appreciated. thanks.
Bob - 22 Jul 2006 22:02 GMT
> Very interesting that this appears next to the belt tensioner.  In my 97
> the chirping sound went away when I replaced the belt tensioner.
[quoted text clipped - 3 lines]
>> pedal. Doesn't affect performance, just annoying and maybe something
>> on it's way out? Any ideas/suggestions appreciated. thanks.

Yeah, I suspect the tensioner but I replaced it about 30,000 miles ago
(when the truck had about 40,000 miles on it). Do these things typically
have a short life span?
Spud Unger - 28 Jul 2006 03:12 GMT
> When I accelerate even slightly in my '94 XL I hear a chirping sound.
> Like a bird. It goes away immediately when I ease off the accelerator
> pedal. Doesn't affect performance, just annoying and maybe something on
> it's way out? Any ideas/suggestions appreciated. thanks.

i had a similar noise i eventually found coming from near the firewall.
i ran engine without serpentine belt to eliminate all that stuff. turned
out to be camshaft synchronizer.
Bob - 31 Jul 2006 02:37 GMT
>> When I accelerate even slightly in my '94 XL I hear a chirping sound.
>> Like a bird. It goes away immediately when I ease off the accelerator
[quoted text clipped - 4 lines]
> i ran engine without serpentine belt to eliminate all that stuff. turned
> out to be camshaft synchronizer.
Thanks. I'll look into that. Is it hard to replace? expensive?
Captain Coleman - 02 Aug 2006 15:06 GMT
Remove your serpantine belt and see if the noise is still there.  If so, it
is likely the camshaft synchronizer.  I had the issue on my 97 OHV 4.0.
Itcan be a pain to replace depending on your engine.  I had to remove the
upper & lower intake manifold to get to it on mine.  Look up the thread
titled "Chirping 97 explorer " using google groups.
 
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