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1995 Saturn SL1 Steam coming off the rear of engine..maybe intake manifold..car has not run hot..Is there a step-by-step on how to replace this? Thanks, Tom
Re: 1995 Saturn SL1 Steam coming off the rear of...
Sounds like you need to replace your heater core hoses. these are the 2 hoses which run into the firewall. be carefull when removing them, the connectors at each end are usually plastic.
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I'm assuming this is 1.9 litre engine. The sensor is located on the Back side of the engine, (firewall side). It is mounted under the intake manifold at the transmission end of the engine block.
3 things keep a motor from starting.1. NO SPARK, 2. NO FUEL,. 3 ENGINE DAMAGE. I SUSPECT IT IS THE IGN MODULE WHICH IS INSIDE THE DISTRIBUTER. cHECK TO SEE IF IT HAS SPARK.. iF IT DOES THE IGN MODULE IS NOT THE PROBLEM. iF IT DOES HAVE SPARK CHECK TO SEE IF IT IS PUMPING FUEL.. DO THIS BY SQUIRTING A LITTLE FUEL INTO THE INTAKE MANIFOLD THROUGH THE INTAKE AIR HOSE RIGHT BEFORE IT CONNECTS WITH THE INTAKE MANIFOLD. .. iF THE MOTOR FIRES AND TRYS TO RUN YOU KNOW FUEL IS THE PROBLEM. IN WHICH CASE IT COULD BE A CLOGGED FUEL FILTER OR A INOPERTIVE FUEL PUMP. iF IT HAS FUEL AND SPARK LOOK FOR A BROKEN OR STRIPPED CAM TIMING BELT. NOT TURNING THE CAM OR CAMS.
the fuel pressure regulator is on the fuel rail it is about 1 1/4'' in dia and has one vacuum line going to it so look between the valve cover and the intake manifold
if you look along the intake manifold where its mounted to the engine there should be 4 individual sensor looking components(one for each cylinder) with a 2 wire connector fastened to them,then you have multi-point injection(one injector for each cylinder).if not then you have what is called throttle body injection which is one body with 1or2 injectors that supply fuel to all the cylinders.this looks similar to a small carburetor located in the center area of the intake manifold were all the intake runners come together.
PURGE SOLENOID VALVE LOCATED ON THE INTAKE MANIFOLD.FOLLOW THE PCV VALVE VACUUM HOSE CONNECTS TO PURGE SOLENOID VALVE.PURGE SOLENOID VALVE WILL HAVE VACUUM LINE THAT CONNECTS TO EVAP CANISTER TO REAR OF FUEL TANK AREA.
the intake manifold gasket at cylinder #1 shifted over and is causing a vacuum leak,,,,,if its a SL1,SC1,SW1,,the single cam engines only had this issue not the twin cam,you need a new intake manifold gasket,gasket is like $20-$40,,but labor is about $450 unless you can do it,but its very involved
the intake manifold gasket at the #1 cylinder shifts over and causes a vacum leak which causes a high idle and sometimes a p0157 code with the ses light,,,,you will need to replace that gasket like a $500job,fairly involved,,,,with the car running spray water DIRECTLY at the #1 intake port area the one closest to the belt and see if it runs rough,,,,
replace the coil it is most likely bad. observe the engine at night or in a dark environment and proceed to use a spray bottle to lightly coat the coil pack for that cylinder number 3 and if you see an arc at the coil or any where else this will confirm a bad coil but even if you don't see any arcing it still may be a weak coil.
I just had this problem with my 97 sc1. I found that the driver's rear tail lights were staying on dim when ever the car was running. In my situation, the cluster of wires that ties to the rear tail light is also the wires that tie to the fuel pump. Every time you hit the brake, it shorted out and cut the power to the fuel pump. Test for this problem by pulling one of your tail light bulbs, if the car shuts off or wont start without it, this could be your problem.
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