Removed everything required to replace head gasket . Forgot to set timing / TDC before removing belt... Need firing order and best way to find TDC.
Do you have the timing belt on and the tensioner set correct? If so, just rotate the crankshaft around until the notch on the crank sprocket is lined up with the pointer on the oil puimp housing (TDC). Now the camshaft sprocket's notch or pointer should be at the top and exactly in line with the mark on the rear timing belt cover. If it's not correct, you'll have to release tension on the belt, remove it, and set the camshaft to the mark. But before you do that, turn the crankshaft back (counterclockwise) just three notches. Then you can turn the cam to line up, then return crank to line up, and continue with belt installation, setting the tension, and re-checking timing marks after rotating the crankshaft a couple of revolutions. Once you know the timing is set to TDC, no further timing adjustments are possible, because the computer controls timing. I don't know how important it is, but just to let you know: Chrysler recommends after belt removal or replacement that one perform the "crankshaft and camshaft relearn alignment procedure" using the DRB scan tool (Chrysler's scanner device) or equivalent scan tool.
And the firing order on all four cylinder engines is the same: 1 3 4 2.
I hope this helps you out. Cheers.
The belt is not back on yet we have the crank set and are ready to finish assembly to get the rest back in order.
Thank you for the advice it is really helpful and may have more questions soon on this project...
i also lost timing due to accidentally moving the crankshaft all i have to do is put the cam lined up wirh its markings and the crankshaft lined with the cxam
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SOURCE: I just finished replacing the head gasket on my
Disconnect the battery and wait for 5 minutes this will re boot you computer this will get your car started or a check engine light one of the two.
SOURCE: 1992 Plymouth Acclaim: 136,000 klms.
Make sure the coolant is full, then change the coolant sensor near the thermostat housing. This will put the car into advanced timing mode again. Do not over torque the sensor. 14ft.lbs or less as needed to stop seapage. Good luck!
SOURCE: 1999 Plymouth Breeze 2.0 SOHC
When changing the timing belt you need to place the cam shaft a TDC( clock wise), then rotate the crankshaft to TDC (clockwise), then back off the crankshaft (counter clockwise) THREE TEETH then back (clockwise) 1/2 tooth before TDC place your timing belt arround the crankshaft- water pump- and camshaft finally putting arround the tensioner pulley, holding 25 flbs of torque on the tensioner pulley to get the correct tension then push up on the hydrolic tensioner and tighten and you should have it.... rotate the crankshaft twice, if the camshaft pulley ends back on TDC then you have it correct.
SOURCE: I just finished replacing the head gasket on my
Hello it is not easy to use a computer with a 4 year old constantly trying to get your attention.Anyhow i said disconnect your battery wait 5 minutes to reboot the computer i have gone through your situation a dozen times if it doesn't start it should trip your check engine light and you will be able to scan and retrieve keep me posted.John
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Yes, I'll try to help you out if I can. To turn the crank around easily, I used the crank bolt with a spacer- a large nut- and ran it onto the crank. Made it easy.
And also, fyi, the reason to turn the crank back three notches or back three sprocket gear teeth, is to lower the piston in number 1 cylinder (and therefore all pistons are down lower) so the cam can be turned and no valve may strike the top of a piston. This is what can happen with interference engines. Too bad if a belt breaks when it is running.
Really apprecieate the advise.This is my buddy's sons car and it's been a chore with both of us working on it at different times on occasion.
If I have more questions I'll be sure to ask.
Thank you again for the help and extra tips.
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