Bent valves... Will it work?
ok I have an 04 A6 3.0. The timing belt was broken when I bought it. After tearing down the front and pulling the valve covers I discovered the exhaust valves on the passenger side head are all slightly bent there is about 3 mm clearance on all the lifters. In the past went I had slightly bent valves I just put on a new timing belt and drove the car till it cleared up... My question is will that work on this car?
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No it will not, you need to remove the heads and replace the valves. I find it really hard to believe you have bent valves just "clear up" from driving it. At least on these there is no way that would work, it most likely wont even run. Might be easier for you to get a used pair of heads. A revalve can get quite expensive with the 30V engine.
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I bought an 02 kia sportage with a broken timing belt. At first it wouldnt start but after turning it over for a few minutes it sputtered to life and it took about a week of driving for the miss fires to clear up.
Can I get a link for head removal? |
Originally Posted by mark458
(Post 24855292)
ok I have an 04 A6 3.0. The timing belt was broken when I bought it. After tearing down the front and pulling the valve covers I discovered the exhaust valves on the passenger side head are all slightly bent there is about 3 mm clearance on all the lifters. In the past went I had slightly bent valves I just put on a new timing belt and drove the car till it cleared up... My question is will that work on this car?
By the way, is this the same car that had a blown CVT transmission? |
Originally Posted by georgeb944
(Post 24855454)
By the way, is this the same car that had a blown CVT transmission?
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What do you do if you didn't lock in the cams before doing the timing belt? I cant find anything to help me set the timing.
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Originally Posted by mark458
(Post 24855592)
What do you do if you didn't lock in the cams before doing the timing belt? I cant find anything to help me set the timing.
https://www.amazon.com/Baum-Tools-T4.../dp/B00UC4IOTI Here's a video from youituibe |
BUT if a valve head breaks off and scores the cylinder
Originally Posted by georgeb944
(Post 24855454)
Sure, give it a try. If it doesn't work, you're going to have to replace the valves, but it probably won't do any more damage than has already been done.
By the way, is this the same car that had a blown CVT transmission? I wouldn't run the engine since you KNOW it has bent valves. |
Originally Posted by SloopJohnB@mac.com
(Post 24855738)
or breaks a piston or otherwise effs the engine, you will be a lot worse off.
I wouldn't run the engine since you KNOW it has bent valves. |
Looks like its working!
Started off with misfire on 1-5 then after 5 minutes dropped to 1-3 and after 15 minutes 1 and 2 are the only cylinders misfiring. |
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