There's a NEW TSB out everyone. Your going to want to know about this one....
The TSB just came in. It's related to the bolts on the intake manifold. If you pop the hood, you'll notice that the intake manifold (sits right on top of the block) has about 14 or so torx bolts that hold it in place and secure it to the block.
The TSB has gone out because these bolts have been known to come loose, and can cause the intake manifold to leak and or shake. That's not very good. The best way to know whether or not your S4 is affected is to do the following:
1) Pop the hood.
2) Look at the front of the block, near the bumper. In front of the intake manifold you should see a few colored dots. On my engine were a green and brown dot.
3) If you HAVE A YELLOW DOT, then you are OK.
If you DO NOT HAVE A YELLOW DOT, then you need to have the TSB done to your car.
Your dealer should have more info and a copy of the TSB. But you can check to see if you need the TSB by looking for the LACK of the yellow dot.
Just so you know, my car was affected. When they pulled the old engine, my tech said he could unscrew the manifold bolts by hand. Looks like they weren't torqued correctly from the factory.
Just FYI. I'll add the TSB to the collection next week for all to download.
is the surface with the dots a horiz surface?
is is vertical? is is actually below the intake on the block or are they on the grey intake manifold?
can you give a horiz reference of where to look?
"near the bumper" - meaning vertically near it?
found a barcoded sticker under the 4.2 V8 plastic,but no dots
I think the dots are related to certain TSBs that have been performed on the engine. I'd be interested in knowing what the other two are for.
The new engines should not have this problem. But the TSB was JUST released today. So I expect most of the engines need to have them tightened.
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the head of a green torx (i'm presuming that's not a dot)
can you direct me from there?
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The dots are the size of a dab with a felt marker. I think they are paint. I'll go through some pics and see if I can find something more illustrative.


