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Old 10-26-2007, 01:51 AM   #1
citoboy_7
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Clicking... Valve adjustment?

Hey everybody, first of all i'd like 2 help all the amazing and helpful people out there! u guys r awesome!



I have a 95' Isuzu Rodeo 3.2



I just replaced the "tensioner arm" (little shock looking thing that holds pressure on the tensioner pully for the timing belt) that i guess is a common problem on these i've been told? (clattered around sounded like a rod, replaced, and it's quiet again)



However, there seems to be a slight clicking from the top end still. Is there any adjustment there? (i opened the valve covers, and didn't find any excessive wear or tear, and i didn't see any obvious adjustment.) Is this a hydrolic set up?



OH! 1 more question, the dealer sells the exact same part as the one i pulled off the car (tensioner arm) however, sum people r selling a "new design" one that is shorter with a longer rod. What's the deal with that?



thanx!!!



-Aaron-
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Old 10-26-2007, 05:56 AM   #2
XR400R
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Re: Clicking... Valve adjustment?

Quote:
Originally Posted by citoboy_7
OH! 1 more question, the dealer sells the exact same part as the one i pulled off the car (tensioner arm) however, sum people r selling a "new design" one that is shorter with a longer rod. What's the deal with that?
Wow, can't help there, never heard of that new design.

However, I would be interested to learn where you obtained the tensioner & how much it cost. Other than Isuzu dealer, I can only find it in the aftermarket at Autopartswarehouse.com for $92 +S/H. Did you pay more/less than that?
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Old 10-26-2007, 10:20 AM   #3
citoboy_7
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Re: Clicking... Valve adjustment?

http://cgi.ebay.com/ebaymotors/92-04...spagenameZWDVW


I don't know if it lets u click on the above link, if not, cut and paste ^_^ It's an ebay item, click on the picture of the item and if you zoom in you can see the "Notice" that says it's a "new design". I paid 71 and change (well, came out to sumthing like 78 and change with tax) but basically the same because u have 2 consider shipping. The one i got is OEM, and this "new design" is different.

Thanx! If anybody know's a bit more about Isuzu 3.2 and is willing to give me a bit of insight on why my top end is clicking, please let me know!

regards

-Aaron-
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Old 10-26-2007, 10:47 AM   #4
XR400R
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Re: Clicking... Valve adjustment?

Thanks for the tip on the tensioner. That does look like a really good price.

With regard to the top end tick, have you been able to isolate the location? My fuel injectors make a constant clicking sound, but that is normal as the pintel opens/closes.

If it appears the noise is high & on one side or the other ( i.e. inside the valve covers) and is clearly proportional to engine speed, the valves may simply need adjustment (shims), or there may be a more serious issue with the valves, guides, springs or cam. Obviously have to remove valve cover to check it. A mechanics stethascope (or a piece of hose) should help isolate.

I don't suppose you've had a chance to do a compression test?

Best of luck.
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Old 10-26-2007, 11:19 AM   #5
Cat Fuzz
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Re: Clicking... Valve adjustment?

The lifter noise on 3.2L Isuzu engines is very common. Mine is very noticeable. It can be fixed but usually at the cost of replacing the lifters which are expensive and also possibly replacing some other parts. I haven't really investigated what exactly is causing my lifter noise, mainly due to the fact that valve cover gaskets aren't cheap and we're a bit short lately.
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Old 10-26-2007, 10:41 PM   #6
FL 3.2L
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Re: Clicking... Valve adjustment?

I only get lifter noise when at the end of the oil change interval. Quickly resolves with some fresh 10W-30.
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'97 Rodeo LS 4X2 Dueler Alenzas 4L-30E 188K
'96 Jetta 230K
'97 TJ 150K
'03 E46 88K
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Old 10-26-2007, 11:51 PM   #7
Ramblin Fever
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Re: Clicking... Valve adjustment?

What oil filter are you using??

If it's a Fram that-alone could be the culprit; these engines do not like Fram filters.

Try using Valvoline Maxlife 10w-30 or Rotella synthetic 5w-40 with a Pureone filter - works great in this engine.
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1997 3.2L V6 Rodeo
32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack
On it's way to 185k strong


2004 3.4L Tacoma TRD off-road 4x4 Double cab
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Old 10-27-2007, 03:35 AM   #8
99 Fronty
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Re: Clicking... Valve adjustment?

If it's a Fram that-alone could be the culprit; these engines do not like Fram filters.


Hey, you'll have to expand on that? Not fine enough filtration? Too much restriction?
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Old 10-27-2007, 08:35 AM   #9
Ramblin Fever
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Re: Clicking... Valve adjustment?

I don't rightly know exactly what the cause is with the fram's; but, in general, they are NOT good filters at all, for any vehicle.

Now, their AIR filter is one of the best, but I wouldn't touch their oil filters with a 10' pole.

In fact, when we bought our first Rodeo, back in '91, it was actually mentioned within the warranty paperwork, that if we used Fram filters the warranty was voided.
__________________
1997 3.2L V6 Rodeo
32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack
On it's way to 185k strong


2004 3.4L Tacoma TRD off-road 4x4 Double cab
32" Yoko's, Westin Bull-bar, KC Fogs 60K miles
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Old 10-27-2007, 10:28 AM   #10
FL 3.2L
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Re: Clicking... Valve adjustment?

Bad anti-drainback valve.
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'97 Rodeo LS 4X2 Dueler Alenzas 4L-30E 188K
'96 Jetta 230K
'97 TJ 150K
'03 E46 88K
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