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intake/exhaust timing marks?

14K views 21 replies 4 participants last post by  jim61 
#1 · (Edited)
Hello folks boy how to start this off, well I changed the water pump on my dodge last year tried cleaning the sludge from the valves and you can guess what happened after that, bearing thrown scored journal etc. All of that repaired I put the cars timing on all the places that are marked started the bent the valves this time I don't want to bend the valves so I need to know specifically because I lack the comprehension apparently to follow the FSM! What I absolutely need to know is on the 99dodge intrepid 2.7 vinR the left hand side intake/exhaust cam secondary timing are the marks the triangles or the dots? Also when trying to bolt the main timing chain sprocket on the cam it flips over then I can line holes up easier. Why I went this far into the car was to replace the rod and bearing so heads came off FSM says to line up right cams to dots with 12 link pins between. I read somewhere that when replacing the cam on left side too make sure they float in their cradles did all that so the valves stayed closed then like I said lined up to the dots on the left hand side of the intake/exhaust camshafts and it flipped over while trying to line up bolt holes, which moved the dots from 12 o'clock to 2 o'clock I think. Take pics in the morning to show what happened. Holes lined up if turned counter clockwise noticed also that intake valve above piston #6 and exhaust valve above piston #2 is partially opened after doing this is that right? I do have compression checked it by putting wads of paper towels in spark plug holes hand cranking and watching them pop out shouldn't that be a sign that the timing is right? And no valves are contacting the heads? Anyway are the triangles or the dots on the drivers side intake/exhaust camshaft the timing marks for my year make and vin can anybody help me with this!!!!!
The firing order is:
5-6
3-4
1-2
Standing in front facing the engine
 
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#16 ·
The Internet "views" threads even though an actual person (member) does not.

You have the best Two people that know the 2.7L in and out replying in your thread. I haven't worked on one but they have walked a few people thru this repair. Keep posting pictures and asking questions.

Rock on Dan and Bill!
 
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#4 · (Edited)

Thanks for responding

Yup did this went by dots on drivers side but as stated when lining up camshafts with main timing chain left hand cam sprocket it flipped over moving the dots so they are not 90° from head surfaces also I can rotate crank by hand without it getting stopped does that indicate there will never be contact made between pistons and valves? Left camshaft sprockets show little arrow on both sprockets pointing at 11o'clock and dots @ 2 o'clock is hand cranking indicative of no problems image is from another site using for reference raining in my state can't get pic right now but since the flip this is the place that my cams are at now after it flipped is this cool? because of flip after putting colored inks on dots does it matter that it flipped?
 
#10 · (Edited)
Has the engine been rotated after setting up and installing the chain?

If not, the problem I see here is no "gold" links lined up with the arrow on the main sprocket; and/or on the dots on the secondary chain sprocket. Your main sprocket also appears to be in the incorrect position. On the secondary chains there are also darkened or gold links that act as the timing marks on the chain itself. These MUST line up with the dots on the camshaft gears (OR there must be 12 chain link pins between your dots on the secondary sprockets).

Just wanting to make sure you have the "gold" links in the chains lined up as pictured in the FSM pic that PEVA posted. They act as timing marks on the chain between the crank and two cams; along with those on the gears. They MUST be lined up correctly.

There is not much to it, if the different colored chain links are lined up with the correct dots/triangles on the camshaft sprockets and the crankshaft timing mark is lined up with the chain link, and sprocket and arrow on the oil pump housing, you will be good to go. DO NOT rotate the engine until the tensioner is reset, installed, and released. If you do, this will also screw up your timing. The chain is still loose enough at this point to easily jump a timing mark. Not sure if you did this either.

There is no need to worry about cylinder positions or valves being open, because if you follow the correct instructions, all that will be in place as it should be. From what I've seen and read here it sounds as if you have timed your secondary chains correctly and your primary chain incorrectly.

See my thread here:
http://www.dodgeintrepid.net/18-gen...r-pump-replacement-procedure.html#post2044060
 
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#6 · (Edited)
OK cool I see now that I have been over looking a few things so truth is the dots are the right ones for both camshafts and the arrows are probably for like the Chrysler 300 or even the 3.5 might have same type camshafts. So my having that on point and 12 links it's right but I will remove timing chain left camshaft again double-check links make sure that it's truly right, now other question, is intake valve above piston #6 and exhaust valve above piston #2 supposed to be slightly open because I beliefs that piston 1_2/ 4_5 are 60°atdc and 3_6 are btdc is that also correct if so I can clean real good and button up Wow forever over thinking, this looks right!!!!!! my marks are at 90°'s from head surfaces
 
#7 ·
Regarding cam flipping, with the crank mark lined up to the mark on the oil pump, no. 1 piston is at 60°ATDC. This puts 1 and 4 at 60° ATDC, 2 and 5 at 60° BTDC, and 3 and 6 at BDC. At those piston positions, the valves do not come anywhere near touching any pistons even when full open, so you are free to rotate camshafts completely with crankshaft mark lined up.
 
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#12 · (Edited)
Daytrepper OK back with update this morning I went out and took valve covers off and timing cover off to check timing these are the pics
things look lined up right!!! Couple duplicates here my bad! But cams lined up right side looks 90° from floor and left side at 2 what you think?
 
#13 ·
things look lined up right!!! Couple duplicates here my bad! But cams lined up right side looks 90° from floor and left side at 2 what you think?
LOOKS right from here but if you are unsure remove the chain and re-time it.

You will have to rotate it several times to get the gold links to line back up. You could check it that way as well.
 
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#15 ·
What I did and hope it's good enough, I rotated the timing chain and #1 piston to 60°ATDC watched my straw drop as the Grove in crankshaft sprocket lined up when it did the right intake/exhaust lined up like the images as well as the left hand side and I knew after having done it for awhile!!!!! That I had the marks matched to all colored links(I used blue and red marker) I just finished putting it all back together and battery is on charger give you a rundown tomorrow tried starting it tried to start but battery only had 11v showing
 
#17 · (Edited)
Well went out and tried to start and get a no start she makes that noise like it's about to but don't then the battery drops from 13v to 12.25v and still won't start guess timing really not on maybe? And it not starting trying to tell me that huh? Or could it be the plugs no that can't be it because it started and bent the valves just the time before now. It's not making that sound like it's just spinning it sounds like a normal car trying to start going to go pull all the delays and check them let y'all no my findings because all info helps everybody Oh I pulled #1 spark plug it smells of gas so I guess no problem with gas getting in the chamber so the saga continues! Just did the OBD and got the P0340 no cam signal at PCM
Daytrepper what did do wrong bro?
 
#18 ·
So based on the thread no crank no start back into the motor tomorrow and redo timing again don't understand how the camshaft flipping when lining up screwed the pooch for me be cursing in the morning trying to get the stupid crank pulley off again anyways let you know how it goes
 
#20 ·
OK just to keep on top of this because like I said all info is helpful. Went out today and took valve covers off again and timing chain cover, turned crank to to mark and believe it or not everything lined up like it was in my pictures. I proceeded to remove timing chain and re-do timing setting the links where they needed to be. Now have to say that because I can't seem to get the timing right sober thought I'd drink some beer and brandy see i come up with, got back together but drunk as f##### so go back out in the morning and hopefully all's good. Anyone think it could be spark plug not firing and if you know how would I order it to see if it sparks I tried putting ka piece of wire coat hanger in the and cranking to see if it sparks but no luck. Got an idea how let me kmow
 
#21 ·
Damn still have no signal to the spark plugs 20 amp fuse is good that controls ignition. Hey daytrepper if you're around, is it possible for the ignition switch is the problem? I can recall it acting crappy before all these other problems it would not turn all the way off sometimes I hear the fuel pump engage smell gas on plugs but no spark how do I trace this to source? Or could the ASD be the problem? Thanks
 
#22 ·
Update still no action on starting car f#%*ng bullshite did finally get a pulse at coil pack plug off of the green wire with blue stripe when turning the key to on for split second so guessing it's getting voltage there. New plugs, smell a little gas on plug when removed just won't start I guess timing is still off just don't know how. Ain't worked on it in a while guess I will tomorrow.
 
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