You've obviously missed a bolt somewhere, I would continue to check everything until you've found it. At a minimum you will need to remove the fuel supply and return lines (red arrow). My car is also an automatic, I did remove the heat shield and the water pipe which made it a little bit easier (I suppose). With the stud double nutted, the stud will walk right out from the head (yellow arrow). But sent back in the bottom in half the time. yea you're going to have to rebleed the coolant system. As previously stated, there is one bolt connected to an L bracket under the union of the manifold. The exhaust manifold on the Porsche 951 is actually two manifolds that run off the right side of the head down to a cross over pipe that feeds the turbo. These bolts can be a pain to remove. Remove the number two and three manifold first and then the number one and four. Working from below the vehicle you can see where the flange from the number 2 and 3 cylinders (yellow arrow) and the number 1 and 4 cylinders meet the crossover pipe that goes to the turbo (green arrow). Remove all the engine studs also using the double bolt method as it makes moving the manifolds around much easier: Click on my boobs if you are interested (. The other question I'm facing is whether I'm going to have to vent the cooling system when reinstall the heater pipe? Getting the manifolds in place proved to be impossible until I lifted the right hand side of the engine with an engine hoist - so it tipped towards the opposite side of the car. Follow my upgrades and fixes - and hopefully find some helpful tricks and tips for yours. )( .). The writer started by WE-40ing the nuts. Ummm, just wanted to throw something out there, i didnt see in the initial thread anything about the spark plugs being pulled. Does anyone know what the outcome of this was? What was funny is I was all paranoid about doing this. if it takes 15 minuets to do id be surprised. I love retro cars but my 944 is the pick of the bunch for me. Got more questions? obv tis goes without saying remove the coolant pipe with a COLD ENGINE so there is less pressure, the 6 exhaust bolts at the collectors (end of the manifold) and have a friend pry down the lower exhaust (they are on rubber hangers) whilst you remove the headers by hand. So here's the data from the header pull - shots of the gaskets that I pulled off. I will be removing the cross member and dropping it out the bottom. if you have allen drivers (or an allen wrench) they'll back out, but keep in mind, you risk breaking a stud, and thats a huge headache and process you don't what to begin. As previously stated, there is one bolt connected to an L bracket under the union of the manifold. How hard should I be striking the manifold with the rubber mallet? �You've obviously missed a bolt somewhere, I would continue to check everything until you've found it. Bruce 88 951, Alpine White, Autothority chip, HRE custom wheels, Schnell short shifter, Koni sports, M030 sways ... 951 exhaust … I pulled my first 944 engine this weekend and pulled it from the top. I have lifted hard enough that it shifts the engine. Even if the gaskets have a sealant on them, the intake should start to move and break free before the engine will start to shift. �Even if the gaskets have a sealant on them, the intake should start to move and break free before the engine will start to shift. Thanks again for the advice. I myself did a full motor rebuild and took on and off the headers no problem with the head studs still on. By removing the washer you can see how much more stud you have to work with when double nutting (green arrow). The only thing I would do different would be to also remove the plastic timing belt cover. as i remember, u gotta disconnect at the lower pipe too. There is not much room to double nut the studs with the washers on (red arrows). After the engine was on the garage floor I remember I hadn't taken pics as promised. if u remove the header and just take it to someone, it should cost maybe $20? I was so wrapped up in the engine removal that I totally forgot to take pics. obv tis goes without saying remove the coolant pipe with a COLD ENGINE so there is less pressure, the 6 exhaust bolts at the collectors (end of the manifold) and have a friend pry down the lower exhaust (they are on rubber hangers) whilst you remove the headers by … 944 Forum › 944 Forums › 944/2 › Exhaust Manifold Removal (Moderators: XxSteve944onlinexX, IAN - 944ONLINE) ‹ Previous Topic | Next Topic › Pages:  2 : Send Topic Print: Exhaust Manifold Removal (Read 2797 times) Up On Ramps. Dropping it out the bottom most all the accessories can stay in place. If I take the header all the way off, will I have enough give in the attachment to the pipe lower down the exhaust system, or will I have to disconnect the header at both the manifold and the lower pipe? Removing the bellhousing from the Porsche 944 engine is not as complicated as it may seem - such as in this situation with my replacement engine. the realize i'll do the whole exhaust black. Haha, "Atomic Batteries to Power, Turbines to Speed, Ready to move out! Use a 12mm socket from below (red arrows) and a 13mm wrench from above (yellow arrows) and remove the nuts and bolts. I plan to take pics to document the removal so they can be posted for other member's benefit. So my mechanic noticed I've got a manifold-side exhaust leak coming from the exhaust gasket, between cylinders 3 and 4. don't remember which nuts are the hard ones...but i think either #3 or #2, there's no way u can get a ratcheting wrench in. So I thought I'd try it. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. 944 Forum › 944 Forums › 944 Turbo › 951 exhaust manifold gasket replacement (Moderators: XxSteve944onlinexX, IAN - 944ONLINE) ‹ Previous Topic | Next Topic › ... My thoughts were they would round off easier on removal. Pulling the tops of the Y's together? You're going to laugh but I had an old aircraft mechanic tell me to smear both sides of the exhaust gasket with high heat silicone. Does your car have the cast iron headers? Use a 12mm socket from below (red arrows) and a 13mm wrench from above (yellow arrows) and remove the nuts and bolts. Push the larger manifold down as far as possible before sliding in the centre one - then reattached the studs and put the headers in place. This photo illustrates the tight fit you have to deal with when removing the exhaust manifolds (red arrows). I'm pretty sure I will be able to get them tight when I put them back with new studs and nuts, I would not even want to put them back on with the rusty studs. I'm only showing the manifold side. I don't want to pry on it since I have fears of damaging the head or the manifold. Join us in our Technical Forum Message Board and ask a question to one of our many automotive experts. the pipe the runs parallel will need to be taken off if you want the headers to come out with ease. And looking good with the heat shield installed! This is not a job I would want to do again any time soon. It is easier to remove the lower connections first, as this will give you some wiggle room when removing the exhaust manifolds from the head. I suspect that it was that support bolt under the manifold on the side of the engine holding things in place. Installation is the reverse of removal. "&&&&1986 944 NA black/black&&1984 928S Flying Purple People Eater&&2000 911 Carerra cabriolet &&1980 924 turbo-gone but not forgotten&, I second the Easy with the engine out comment, Had no problems. There's NINE total bolts holding the manifold to the car. If your sure you got everything off, you might want to start prying on one corner to get it started. Drain the coolant to below this line's level and remove the two hose connections (red arrow, one shown), and remove the hard line. Please see our article on coolant draining and refilling. Shut up and kiss me. Please see our article on cylinder head removal for additional assistance. Will definitely do all 4 gaskets while I'm in there - I'm figuring 2-3 hours for the job, not including a couple days of WD40 soaking. Aircraft exhaust gaskets are BAD to leak. With the gap between the suspension turret and engine now big enough the manifolds slip in with a little manoeuvring - I started with the outside (1-4) manifolds then the smaller 2-3 slipped in. EXHAUST MANIFOLD HI , AM PLANNING TO REPLACE MY MANIFOLDS ON 911 CARRERA CAN ANYBODY WHO HAS ALREADY DONE THIS GIVE ME ANY POINTERS TO WHERE TO BUY, ALSO STUDS AND NUTS, I KNOW ORIGINAL BOLTS,ANY HELP APPRECIATED, HAVE SEEN THEM ON EBAY FROM GERMANY, ANYBODY HAVE EXPERIENCE FROM THESE … Its really not that hard to do, i wont go as far to say there is plenty of clearance, but there is enough to get them out using the double nut method. Loosen the engine mount bolts on the right hand side! Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More.
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