Question about 2003 Ford Explorer

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Timing chain rattles, and has broke two times in a rebuilt engine. What to do?

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Did u put the rite tension specs on it--what about proper lubrication--chec out haynes or chilton procedures--may want to mail dilemma to 'magicmechanic' in orlando

Posted on Apr 06, 2011

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How do you replace timing chain on 2001 ford windstar


If the chain is rattling and the engine still runs, the chain is not broke, but you may have a damaged tensioner that keeps it tight.
The timing parts are behind the timing cover on the passenger side of the engine, behind the water pump.
if you decide to tackle the job, get a repair book and read up on it first to see if you are up to the task.

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1995 Olds Silhouette rattled badly, died while running


I think you had better have a local shop inspect this for a failed engine connecting rod.

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Timing belt broke...was told i need new engine..is this right?


The 2.4L four has a belt and is not an interference engine according to the Gates timing belt application chart for your vehicle (check it out on Gates.com.) The 2.7L V-6 doesn't show that it needs a belt--so it has either a timing chain and gears or just gears. If the belt broke on the 2.4L four, you should be able to put on a new belt and go. The engine should not be damaged.

If the timing chain on the V-6 broke then engine damage may have occurred. Chain engines are sometimes not listed as interference because breaking a chain is so rare. The damage would probably be bent valves and damaged piston tops. The labor involved in repairing all that might cost more than just getting a rebuilt engine and putting it in.

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Looking for Timing Chain Guide


Check with Auto Zone if no...see the Dealer but also check the camshaft gear sprocket...if its composite you may need to replace it as well...this also causes chains to rattle and jump.

May 06, 2010 | 1998 Ford Explorer

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Rattle in front of engine when running. Was told may be timing chain? 160,000+ miles no service history


I had a nasty 'rattle' in the front of my engine on an older truck of mine (around 190,000 miles) and it was the timing chain. The guide for the chain had broken and caused my timing chain to rub against the front cover and start eating it's way out (the rattle). Got it fixed, new chain and replaced the front cover as well and everything is fine. Good luck, I hope this helps.

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well the plastic piece are from the timing chain guides are either broken or ripped off,and the metal rattling was probably the timing chain,,i think the timing chain jmped or broke and broke the guides,if thats the car you most likely bent the valves in the head,,,i would remove the cam cover and the timing chain cover and see what you got,you may need a engine

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How to replace a timing chain 2000 chevy cavalier


I am familiar with that vehicle but generally with timing chain replacement, the engine needs full access for pulley and cover removal and in some cases the cylinder head requires removal.
Generally timing chains last so that they only need replacement at engine overhaul and it is not an economic proposition to have to replace a chain unless some relative degree of engine work is also required at that time. 

Engine timing chains generally have a tensioner on them which maintains tension, but some chains can wear significantly and cause timing cover to be "ground away" because of "slop".

If the engine is making the noisy rattle of the timing chain against the cover etc, I would schedule a top overhaul (head, machine, test and valve grind) with the chain replacement dependent on mileage with the degree of action.

Some simple simplex timing chains (type of chain similar to motor bike chain) may be replaced without dismantling the engines but I would expect your chain would be a "duplex" dual sprocket type, these are most common. 
These chains are not generally expensive but replacing them can involve a fair amount of work. 

Good Luck and hope this helps, Others will have different ideas.

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1 Answer

Nissan Timing Chain still rattling


and the lower chain guides?

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