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  #1  
Old 01-29-2015, 01:58 PM
whitakerjii whitakerjii is offline
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Default 3.0 broken timing chain

On the road today had the timing chain break. Whats the best resource to find TDC on the valve train to set the timing? 1992 Ranger Custom
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Last edited by whitakerjii; 01-29-2015 at 02:05 PM.
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Old 01-29-2015, 03:43 PM
mrmoerder mrmoerder is offline
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I thought the 3.0 had pushrods, but okkkk. You have to take the spark plug out of the passwnger side cylinder, closest to you. You might be able to turn the engine over by turning a pully on the serpentine belt. You really need a breaker bar and a socket, i know my 2.3 is a 22mm crank bolt. Im not too familiar with the engine, but with all cams not being attached to anything, and the piston at the EXACT top of the cylinder, there should be a marking on the can, this gets aligned to a timing mark fixed near where the cam spins. Again, not real familiar with your engine. With all lined up, re connect the chain, not 100% on how you operate a chain tensioner compared to a belt tensioner
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Old 01-29-2015, 04:04 PM
smokinAMD smokinAMD is offline
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Default Re: 3.0 broken timing chain

Quote:
Originally Posted by mrmoerder View Post
I thought the 3.0 had pushrods, but okkkk. You have to take the spark plug out of the passwnger side cylinder, closest to you. You might be able to turn the engine over by turning a pully on the serpentine belt. You really need a breaker bar and a socket, i know my 2.3 is a 22mm crank bolt. Im not too familiar with the engine, but with all cams not being attached to anything, and the piston at the EXACT top of the cylinder, there should be a marking on the can, this gets aligned to a timing mark fixed near where the cam spins. Again, not real familiar with your engine. With all lined up, re connect the chain, not 100% on how you operate a chain tensioner compared to a belt tensioner
It does have pushrods. Which are driven by the camshaft, which is driven by a timing chain, which is driven by the crankshaft.
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Old 01-29-2015, 09:12 PM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by mrmoerder View Post
I thought the 3.0 had pushrods, but okkkk. You have to take the spark plug out of the passwnger side cylinder, closest to you. You might be able to turn the engine over by turning a pully on the serpentine belt. You really need a breaker bar and a socket, i know my 2.3 is a 22mm crank bolt. Im not too familiar with the engine, but with all cams not being attached to anything, and the piston at the EXACT top of the cylinder, there should be a marking on the can, this gets aligned to a timing mark fixed near where the cam spins. Again, not real familiar with your engine. With all lined up, re connect the chain, not 100% on how you operate a chain tensioner compared to a belt tensioner

As long as an engine has a camshaft, it has a timing belt, chain or the timing is gear driven.
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Old 01-29-2015, 09:57 PM
Lariat Lariat is offline
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Default Re: 3.0 broken timing chain

You should have timing marks on your harmonic balancer, find 0 tdc and viola, you're set.

----------

Forgot to mention, make sure it's on the intake/firing stroke.
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Old 01-29-2015, 10:06 PM
33's&5 speeds 33's&5 speeds is offline
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Default Re: 3.0 broken timing chain

Gonna have to get the crank on tdc compression stroke then get cam where #1 valves are closed and on compression stroke and line up the crank to cam marks. like this
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Old 01-30-2015, 03:57 PM
mrmoerder mrmoerder is offline
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Quote:
Originally Posted by smokinAMD View Post
It does have pushrods. Which are driven by the camshaft, which is driven by a timing chain, which is driven by the crankshaft.
oh haha thats funny, i figured the cam was just gear driven off the crank, not by a chain. Wierd
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Old 01-30-2015, 04:17 PM
djfllmn djfllmn is offline
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Default Re: 3.0 broken timing chain

Quote:
Originally Posted by mrmoerder View Post
oh haha thats funny, i figured the cam was just gear driven off the crank, not by a chain. Wierd
some engines had meat grinders but not the ford 3.0
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  #9  
Old 01-30-2015, 09:58 PM
02RangerFX4 02RangerFX4 is offline
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Quote:
Originally Posted by mrmoerder View Post
oh haha thats funny, i figured the cam was just gear driven off the crank, not by a chain. Wierd
Nope! Most are chain driven, some are gear driven. For example the old 300 straight six.
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  #10  
Old 01-30-2015, 10:11 PM
Lariat Lariat is offline
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Default Re: 3.0 broken timing chain

most diesels are gear driven.
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  #11  
Old 01-31-2015, 02:23 AM
cowboybilly9mile cowboybilly9mile is offline
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Default Re: 3.0 broken timing chain

Quote:
Originally Posted by mrmoerder View Post
oh haha thats funny, i figured the cam was just gear driven off the crank, not by a chain. Wierd
Not weird at all, chain drive is quieter. SBC, probably the most popular V8 to build/rod in all of history, goes back to 1955 and was chain drive.
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