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Chances are you have one of the engines with an integral manifold. These cannot be removed from the cylinder head. These motors were notorious for cracks in the exhaust manifolds. That's the bad news.
The good news is that many of the 250 c.i. L6 motors from Chevrolet used the same head bolt/water & oil passage patterns so you may be able to swap the head for one from a 1974 or earlier motor. Or, if you want to swap for a 74 or earlier motor, they will go right in.
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1996 Nissan Pathfinder change exhaust manifold?
What engine???????? You should refer to repair manual if not familiar with auto repair and understand the terminology before attempting Remove nuts holding exhaust manifold to cylinder head & remove nuts/bolts holding exhaust manifold to exhaust pipes Use new exhaust manifold gaskets and install the new manifold securing the manifold to cylinder head (may need to but new nuts and or bolts) by "snugly" tightening manifold to cylinder head if not refering to repair manual
How do you remove an exhaust manifold?
You just unbolt it. You first have to disconnect the exhaust pipe from the manifold then remove whatever you have to allow you to access the bolts and remove the manifold. It varies greatly from engine to engine. Some are easy and some are very hard.
How do you change the exhaust manifold gasket on a 93 Chevy astro van?
You will need to remove the exhaust manifold retaining bolts in your 1993 Chevy Astro. Remove the exhaust manifold. Remove the exhaust manifold gasket and clean the surface. Reverse the process to install the new exhaust manifold gasket.
How do you change intake manifold gasket on a 1999 Olds Alero?
Remove the exhaust pipe from the exhaust manifold. Remove the manifold bolts. Remove the manifold. Remove the manifold gasket and clean the surface. Reverse the process to install the new manifold gasket.
How do you remove manifold on a 1973 Chevy Nova?
what maniofold are you asking about? intake or exhaust, and what kind of engine do you have?
How do you replace a thermostat on a 2004 Chevy Cavalier?
If it's an automatic you will have to remove the exhaust manifold because the thermostat is located on the backside of the engine on the driver's side under the exhaust manifold.
Is it difficult to remove exhaust manifold from 1998 jeep wrangler 4.0 engine?
Its a bit of a job because it is held on by the same bolts as the intake manifold, and the easiest way is to remove them both, otherwise the rusted exhaust bolts holding the tubing to the manifold is the worst.
Where is the exact location of the oil filter on a 1991Toyota Celica?
probably at the front of the engine underneath the exhaust manifold. Remove the heat shield on the exhaust manifold and you should be able to see it underneath.
How do you remove a vl commodore head gasket?
Remove the intake manifold, exhaust manifold, and then remove the head.
How do you remove the exhaust on a 93 Honda Accord?
Are you trying to remove the exhaust manifold,the muffler,or just the line running from the manifold connection to the muffler?
How do you Remove 1998 ford Triton exhaust manifold?
i have a 1998 ford Triton f 150 how do i remove the exhaust manifold right side
How do you change the exhaust manifold gasket on a 1972 Buick Electra 225 with a 455 engine?
you will have to unbolt the exhaust pipe from the manifold pipe and then you unbolt the manifold pipe from the engine, remove old gasket and make sure both sides are clean of the old gasket and then install new gasket and bolt manifold back onto engine.
