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problems replacing timing belt dodge stealth rt


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sk3nn3y
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Jun 11, 2012, 6:26 PM

Post #1 of 15 (1978 views)
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ok i have a 92 dodge stealth rt 3000 v6 dohc that i just took in on a trade and im having problems lining up alignment dots on the two front pullys, ill turn them over about 3/4 of a full rotation and they wont go any further, any help please


Hammer Time
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Jun 11, 2012, 6:33 PM

Post #2 of 15 (1974 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

That's probably because the pistons are hitting the valves. I hope you didn't force it.

You have to manually move the crankshaft a little until the cam frees up.


This is from the service manual











  1. Align timing marks for camshaft sprockets on the front bank, as follows:
    1. Install the crankshaft pulley. Shift timing mark on crankshaft sprocket by three teeth to lower piston in No. 1 cylinder slightly from top dead center. Turning camshaft sprocket with piston in No. 1 cylinder located at TDC may cause valves to interfere with piston.
    2. Make sure that timing marks on camshaft sprockets for intake and exhaust valves are not within range marked A, Fig. 45. If timing mark is within range marked A, turn camshaft sprocket to move timing mark to area closest to range marked A. In range marked A, the cam lobe on the camshaft lifts the valve through the rocker arm and the camshaft sprocket is apt to rotate by reaction force of the valve spring.
    3. Turn camshaft sprocket to locate timing mark as shown in Fig. 46. If the intake and exhaust valves of the same cylinder lift simultaneously, interference with each other may result. Therefore, turn the intake camshaft sprocket and the exhaust camshaft sprocket alternately.
    4. Turn camshaft sprocket clockwise to align the timing marks. If camshaft sprocket has been turned excessively, turn sprocket counterclockwise to align timing marks.
    5. Align timing mark of the crankshaft sprocket. Shift timing mark of crankshaft sprocket one tooth in counterclockwise direction to install timing belt.





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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Jun 11, 2012, 6:37 PM)


sk3nn3y
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Jun 11, 2012, 6:36 PM

Post #3 of 15 (1966 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

i didnt force it thats why i got on here and asked someone what to do.....how do i free the cam?


Discretesignals
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Jun 11, 2012, 6:36 PM

Post #4 of 15 (1966 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

Was this thing running before the trade?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jun 11, 2012, 6:37 PM)


sk3nn3y
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Jun 11, 2012, 6:36 PM

Post #5 of 15 (1963 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

like how do i manually move the crankshaft


Hammer Time
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Jun 11, 2012, 6:38 PM

Post #6 of 15 (1960 views)
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See my edit.




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Discretesignals
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Jun 11, 2012, 6:38 PM

Post #7 of 15 (1957 views)
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oh oh. you don't know how to move the crankshaft and your doing a timing belt on a 3.0L DOHC engine? Oh lordy.





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sk3nn3y
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Jun 11, 2012, 6:39 PM

Post #8 of 15 (1954 views)
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no but we got a bill of sale notorized that the car would run once i got it together and the timing belt on


sk3nn3y
Novice

Jun 11, 2012, 6:49 PM

Post #9 of 15 (1951 views)
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yea im not a timing guy im more electronics, interior, suspension, so im out of my zone but im giving it a try lol


sk3nn3y
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Jun 11, 2012, 6:50 PM

Post #10 of 15 (1950 views)
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ok im gonna try yalls advice in a couple minutes and ill let yall know what happens lol


Discretesignals
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Jun 11, 2012, 6:58 PM

Post #11 of 15 (1947 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

If you look in the driver's side wheel well there should be a plug or hole. If you look in the hole you'll see the crankshaft bolt. If I remember you can stick a 1/2 extension in there to turn the crank.

Make sure all your spark plugs are out, so it is easier to turn. Once you get all your marks lined up, belt installed, and properly tensioned. Rotate the crank by hand 2 revolutions. Make sure you don't have any binding and that your marks are lined up correctly when you get back to TDC on compression.

Run a compression check on it before you try to start it. Got a feeling that it probably has bent valves.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jun 11, 2012, 6:59 PM)


nickwarner
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Jun 11, 2012, 8:00 PM

Post #12 of 15 (1924 views)
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Re: problems replacing timing belt dodge stealth rt [In reply to] Sign In

I think so too. The SOHC 3.0 was freewheeling but not so on the DOHC.


Discretesignals
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Jun 11, 2012, 8:10 PM

Post #13 of 15 (1915 views)
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I first started out working at GM/Mitsubishi dealer. I don't know how many GT3000s and VR4s I saw that came in on tow truck on the Mits side because someone "tried" to do a timing belt. The worst I saw was someone tried to do head gaskets on one and got the camshafts swapped. There is no room for error on the DOHCs.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jun 11, 2012, 8:10 PM)


re-tired
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Jun 11, 2012, 11:00 PM

Post #14 of 15 (1896 views)
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Follow HT's advise to the letter. There is absolutly NO room for error . What errks me is that the lab coats designing these bombs are making 6 + digit salaries . Maintenance is a after thought . Volvo and lincoln/ford each have a multi cam engines with no timing index marks at all. You have to degree each cam in relation to each other and the crank. Ford has a $700 kit to do this. SHEESH Pirate


LIFE'S SHORT GO FISH


Hammer Time
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Jun 12, 2012, 6:09 AM

Post #15 of 15 (1883 views)
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Quote
Volvo and lincoln/ford each have a multi cam engines with no timing index marks at all.


Welcome to Variable Valve timing




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.





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