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What is a heat riser?
A heat riser is a duct that allows heat to rise up from the exhaust manifold. It's purpose is to warm the air being brought into the intake manifold preventing the freezing of moisture, that might otherwise cause the engine to stop running or run properly.
What would cause a constant very loud tapping or knocking noise in a Chevy 350 engine that does not blow smoke or leak oil and seems to still run good.?
Check operation of exhaust "heat riser" valve. Also check exhaust header gasket for leaks. Heat riser should be near the exhaust header, in exhaust pipe connection.
How do you tel witch is inlet and exhaust Renault scenic?
The exhaust manifold will have an exhaust pipe attatched! The exhaust manifold for example on a scenic 1.6 petrol, is located at the front of the engine block and have a heat shield attatched.
Where is the oil sensor located on a 2005 dodge v-6 2.7 stratus?
Back side of the engine, below the exhaust manifold. It is protected by a silver heat shieldBack side of the engine, below the exhaust manifold. It is protected by a silver heat shield
Where is 02 sensor located on 1993 Toyota Paseo?
it's in the down pipe coming from your exhaust manifold. you will have to remove the heat shield from the exhaust manifold to access it
What would cause a car that is cold and idiling to have a strong exhaust smell and no steam but when put in gear and the smell goes away but the exhaust has steam coming out?
A device called the heat riser has stuck or the heat riser hose has fallen off. could this loose part cause a metal raddling when you start to excelerate?
Where is the oil pressure sensor located on a 2004 Dodge Stratus 2.7 L?
Back side fo engine, below the exhaust manifold. It is protected by a silver heat shield.Back side fo engine, below the exhaust manifold. It is protected by a silver heat shield.
Where is exhaust-manifold located at on a Lincoln ls 2004?
On a 2004 Lincoln LS ( 3.0L V6 and 3.9L V8 engines ) Each of the engines has ( 2 ) exhaust manifolds They are located on each side of the engine , on the sides of the cylinder heads ( there is an exhaust manifold gasket , then the manifold , and they have a heat shield over the manifold ) Your vehicle exhaust system connects to the manifolds
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.
Where is the exhaust manifold on a 2005 envoy?
Depends on the Engine you have. On the 4.2L I6 Engine the Exhaust manifold is located on the passanger side of the Engine. It is mostly covered by a heat sheild, but its pretty easy to see when youfollow the exhaust pipe up to the engine.
What is function of a Case fan?
exhaust heat form the computer..........
Do you have to take off the valve cover to replace the exhaust manifold?
I've done this. No. Remove the air breather assembly to gain access to exhaust manifold. Disconnect O2 sensor that runs through heat shield. Remove heat shield by removing 5 nuts. Disconnect catalytic converter from manifold by removing five nuts. Remove the head to manifold nuts. Remove manifold. With the right tools and a bit of luck 1 hour.
