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Do you need to replace idler and tensioner when replacing timing belt?
Wiki User
∙ 11y ago
I've been Wrestling with this myself, and here's how I broke it down:
The timing belt is a critical part so it's a no brainer ___ replace
The water pump is also a critical part that you see and hear of breaking at
some point. Further you can't replace the water pump without messing with
the timing belt. So it seems to me, it's a good candidate for replacement
as long as you're messing with the timing belt anyway.
The idler and the tensioner... it's doubtful that they break that often. If
they do, it's not going to break anything else. Also, if you do really have
to replace them at some later time after you replace the timing belt, you
can replace them without really messing with the belt or the water pump.
Therefore I say it's not necessary to replace those two items. THAT IS OF
COURSE ASSUMING THAT YOU'RE DOING ALL THE WORK YOURSELF.
Paying somebody to do all this work is a little different, because they
charge you nearly as much either way. They may even refuse to do the
job without replacing everything.
Everything should be replaced especially if it is an interference engine at 89% of all cars are. replacing will make it easier to sleep at night knowing nothings going to happen
Wiki User
∙ 11y ago
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Replace water pump 99 Isuzu rodeo?
the water pump is driven by the timing belt. highly recommended to replace the tensioner, tensioner and idler pullies, and cam seals.
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Volvo recommended interval is 105,000 miles. You also replace the tensioner and the idler pulley at this time. 96000 miles You might also consider replacing the water pump at this time, it's driven by the timing belt and requires very little more labor to replace while you have the timing belt off.
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It is a timing belt and it is best to replace the idler, tensioner and belt at once. Also, the water pump if it is high mileage.
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If the idler pulley is frozen, it is high time to replace the timing belt and the idler. And while that job is being done, consider replacing the water pump and thermostat.
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Take it to the dealer! It's not a job for the timid or any shop that doesn't know what they are doing. Make sure you get the idler pulleys and automatic tensioner replace along with the timing belt. If the bearings seize in those idler pulleys it will ruin the belt and in turn take out your engine.
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Replace the tensioner assembly as one piece.
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The timing belt needs to be replaced about every 100k miles. Actually the recommended interval is 105,000 miles. You also replace the tensioner and idler pulley at this time
Why is your new idler pulley squeaking on your 1994 GM Jimmy?
I assume you mean the idler pulley on your timing assembly, if this is the case then the belt is too tight loosen tensioner pulley. if you mean the automatic tensioner pulley for your alternator and A/C and the like, the you probably need a new tensioner] Good Luck
Replacing a timing belt on a Ford Contour?
Replacing the timing belt on a Ford Contour involves removing the right motor mount, removing the serpentine belt, crankshaft pulley, and idler pulleys, removing the upper and lower timing belt covers and loosing the timing belt tensioner. It would be wise to replace the tensioner. The whole kit is about $160. You have to buy a timing tool to properly do the job. Cost about $45. Upon installation the camshafts need to be aligned with the crankshaft using the top dead center timing mark on the crankshaft pulley and slots in the crank shafts. That's where the timing tools come in. The kit has step by step instructions. Total parts will run about $200, but a mechanic is gonna charge $5-600 so it's worth it.
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Your timing belt has broken off or shifted points. Solution would be to replace timing belt kit including tensioner and idler since it will be opento that point you might as well and do it all. The kit should cost you about 159.00
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When a serpentine belt is loose it means either the belt has stretched and needs replacing, or the idler tensioner is defective and needs replacing, or both.
