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What to do when you go to install headers and the first 2 bolts snap in the head. >

What to do when you go to install headers and the first 2 bolts snap in the head.

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What to do when you go to install headers and the first 2 bolts snap in the head.

 
Old 11-17-2016, 09:01 PM
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What to do when you go to install headers and the first 2 bolts snap in the head.

Pull the motor 🙀

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Old 11-17-2016, 09:23 PM
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Damn!
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Old 11-17-2016, 11:28 PM
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Originally Posted by turbo1k View Post
Pull the motor ��
How did that happen? could not break the bolts cleanly?
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Old 11-18-2016, 12:54 PM
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I guess it will be easier to fix the valve cover gaskets with the motor out
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Old 11-18-2016, 01:30 PM
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Originally Posted by Tall Giraffe View Post
How did that happen? could not break the bolts cleanly?
i guess it was because it's a New England car. I don't want to fight with broken studs in the car and figured I could do other maintenance while it was out.

On another note not what are these motors and transmission worth. Now might be a good time for a
turbo LS swap.
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Old 11-18-2016, 08:24 PM
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She is all unbolted just need to pull her out.
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Old 11-20-2016, 09:02 AM
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It's out and the broken studs are removed. One more broke on me so there was a total of 3. The broken studs came out very hard and with lots of heat. There is no way this could have been done in car.
Now I have a few questions.
Whats the Tq spec on the valve cover bolts,oil pan(upper and lower), rear main seal plate and intake manifold bolts? Also I removed the EGR tube from the manifold, how does this go back together?


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Old 11-21-2016, 11:12 AM
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Good on you, what a nightmare! Do your rear main seal while it's out, I've got to do mine and I'm dreading pulling the trans to access it. How long did it take to get the engine out start to finish?
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Old 11-21-2016, 12:04 PM
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Originally Posted by IanB View Post
Good on you, what a nightmare! Do your rear main seal while it's out, I've got to do mine and I'm dreading pulling the trans to access it. How long did it take to get the engine out start to finish?
Actually not to bad at all. Id say 4hr to get it out. Figure 2hrs to to all the maintenance and another 4 hrs to button her up. I have a nice 2 stall heated garage just no lift.
Im also doing the rear main seal, valve cover gaskets, and re sealing the oil pan.

Steve
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Old 11-22-2016, 07:45 PM
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Sweet mother of everything that is holy and pure! I was thinking about changing out my headers and now I am scared crapless.
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Old 11-22-2016, 08:34 PM
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me too.
Originally Posted by rnelson View Post
Sweet mother of everything that is holy and pure! I was thinking about changing out my headers and now I am scared crapless.
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Old 11-22-2016, 09:10 PM
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Originally Posted by rnelson View Post
Sweet mother of everything that is holy and pure! I was thinking about changing out my headers and now I am scared crapless.


Guys these cars are getting old and old cars have a lot more problems than they did when new. Mercedes or not 16 years old and 240k miles corrosion and rust become major problems. In the last 2 years I've had every suspension,drivetrain, and break part out of this car. If you take your time and have some mechanical skill you can do it. These cars are pretty basic and are a great deal these days.

If your not sure about something just ask or do research on it first.

Steve
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Old 11-22-2016, 09:22 PM
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Not much progress today. Just removed the rear main seal and cover. Cleaned and installed the valve covers.

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Old 11-24-2016, 09:33 AM
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Resealed the upper and lower oil pans. Installed a new rear main seal. New exhaust manifold studs,nuts, and gaskets. Just about ready to go back in, hoping for tonight if I can get away.












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Old 11-24-2016, 11:13 AM
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Wife said we weren't leaving until noon so I figured why not put the motor in.

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Old 11-24-2016, 11:23 AM
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Nice work!
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Old 11-24-2016, 12:31 PM
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Good stuff! I'm really glad you took lots of pics, I don't think I've seen another thread where anyone pulled the engine on one of these cars.
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Old 11-24-2016, 01:43 PM
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Old 11-24-2016, 08:18 PM
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I was able to spend a few more hrs on her tonight. New water pump and thermostat.

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Old 11-25-2016, 05:53 PM
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Intake is on and all wired up. I also split the intake and clean it up. Sorry no pics of that step. It was by far the worst part of the job. The egr tube was a little difficult and I broke the nipple off the solenoid on the front 😡 Going to attempt to fix that tomorrow. Just the O2 sensors, and everything in front of the motor. Putting a new condenser and fan shroud in.



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Old 11-26-2016, 06:34 AM
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when you split the intake manifold, did you also replace the thin rubber air hose which is connected to EGR valve in front of the intake manifold?
rubber hose is on the under side in front of intake manifold.

when rubber hose goes brittle from engine heat it's a cheap part to buy, but you have to buy complete intake manifold fitted with rubber hose if you want to replace this brittle hose, and that's because of a design flaw from Mercedes engine team.
intake manifolds are only sold complete with rubber hose at stealership.

cheapest way to repair is to split intake like you did and do a MacGyver repair
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Old 11-26-2016, 10:45 AM
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The rubber hose was still in good shape and functioned fine. One thing I did do is put a bunch of silicone around the hose where it entered the manifold just to help protect it.

Got the new ac condenser in. Just waiting on some parts from Mercedes to finish this thing up.


Last edited by turbo1k; 11-26-2016 at 11:33 AM.
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Old 11-26-2016, 10:55 AM
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good god youve obviously done this before. i am a wiz at carbs and brakes but id never attempt to pull a motor!
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Old 11-26-2016, 12:55 PM
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Originally Posted by MNR View Post
good god youve obviously done this before. i am a wiz at carbs and brakes but id never attempt to pull a motor!
Definitely not my first. I've been building and tuning Cars for 20plus years
I'm showing my age lol

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Old 11-27-2016, 08:23 PM
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what header are you using ?
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