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Timing Belt Second Installation

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konspiracy

Probationary Member
5
0
Jan 6, 2012
Thrall, Texas
Okay so I purchased a Dodge Avenger for 600 bucks with the 420a 2.0l. I was driving to my GF house and I started to get heavy on the peddle on a back road. Well about 5 maybe 6000 rpm right before I shift to 5th gear I hear a noise and I see my temp start to rise over into the 3/4th range and then go back down. Being the stupid idiot I am I drove it another mile and parked it then trailer-ed it home.
I then spent some money and bought a new timing belt and a new mechanical tensioner plus a new Idler pulley. I pull everything apart for the first time ever (on a Dohc ) and I find out that the Idler pulley bearing broke and there are little medal balls in the timing cover. So I change everything out including the water pump and get it all back together. I start it up and it sounds fine, no knocks no ticking nothing. I then took it around the block and about 2 miles down the road it stalls. I start it up and park it. I notice the engine light comes on and it says the timing is off so I pulled everything back off and I think I had both cams flipped 180 so the timing marks were facing opposite ends ( I have no idea what I was thinking). So I put the exhaust came mark to the center with relative ease ( there is some spring to it every quarter turn and then it forces itself forward). On the Intake cam I got it to move a half turn or two spring loaded turns and I needed one more to line it up center. But it was very hard and I had to use a ratchet with a wrench as a pry bar and then it met perfect in the middle. My question is, is it normal for the intake to give you a little bit of trouble when rotating it? ( something to do with the compression stroke. Even though my bottomn crank arrows are perfectly alined? )Also when I go to start it up and everything sounds Okay and the check engine light stays off does that mean I could still have bent a valve or messed the head up?

Also do you have to drain the oil to take the valve cover off?
 
it normal for the intake to give you a little bit of trouble when rotating it?
Yep, even with the 4G63 motors, we have to put 17mm wrenches on each cam sprocket bolt to roll the cams to get the marks up to line before we lay the belt across it.

And after we get the marks all aligned up and lay the belt across the sprockets, we tie the belt down on the sprockets before continuing the lace-down of the belt.

I've even had to do this same trick on doing a DOHC on a NISSAN - roll one cam to get marks aligned up.

That's what is nice about the belt: the teeth on the belt actually holds the sprockets in place by getting "locked" down over the sprockets before getting secured on the sprockets by either tying or clipping the belt down on the sprockets.
 
The car would not run as well with bent valves, but it's weird it started up fine, as you stated. If you have bent a valve, you would have heard it, and felt the unresponsive-ness while driving.
 
Well then I must be lucky because I never recieved any of those feelings.
Just a random stall when I push the clutch in and a check engine light p1390.
I am going to put it back together now wish me luck

Alright Thanks guys....
So this morning I put everything together and I started it up and she runs GREAT. Purrs like a kitten and no engine codes.
Also what would be a good way to clean your Throttle Body out? Its covered in black soot on the inside and the old guy I live with said start the car and take the filter and plastics off and spray carb cleaner into it. Would that work? I mean I wouldnt spray alot at once but just a few squirts at a time.
 
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