Question about Hayward SAND FILTER, PRO SERIES

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I replace the gasket on my vari flow valve and i want to know how to re-align it with the cover

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All of the screw holes but one are set in a small semicircle. one has a flat side. Line that up with the same one on the base.

Posted on Oct 17, 2010


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How do I check the backwash valve?

Is it a vari-flow valve?
If so with the pump off set the valve to "filter" then you can remove the screws on the top of the valve and remove the assembly. The gasket that usually goes bad is the "spider gasket", it looks like a pie-chart. Check this gasket for any tears or bends in the rubber, if you see any replace it. Turning the valve with the pump running will cause these gaskets to go out

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If it is a vari-flow valve, this usually implies a bad gasket. With the valve set to "filter" and the pump OFF you can remove the screws on the top of the valve to check the gasket. It looks like a pie-chart, and usually called a "spider gasket". Check the gasket for tears or warps in the rubber, if you find any replace the gasket. A bad gasket will cause water to flow into different pipes. Turning the valve while the pump is running will cause these gaskets to fail

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I HAVE TO ADD MY TWO CENTS! THANK YOU TO THIS WEBPAGE- I had air and gurgling coming from my Hayward Variflo - I sealed all the leaks, and had crystal clear sight glass on my pump, but it still gurgled- I never in a million years suspected too much OUT flow- and it is the easiest thing to test- just cover one of the outputs to restrict the flow back to the pool, and listen- my noise died right down.

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Pulled plugs and oil on #6 cylinder,p0303 code changed coil pack now p0300.sluggish ,no burnt oil from exhaust,possible bad valve cover gasket ?

Yes valve cover gasket needs to be replaced, normally for sluggish I would be looking at a MAF mass air flow sensor.

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New Engine oil pours out from under valve cover...

Hello there. This issue will be the result of a warped vale cover, or a failed valve cover gasket. the more common culprit will most likely be a failed valve cover gasket. You may isolate the problem by removing the cover, and using a level to confirm the cover alignment. If it dose not line up correctly to the head, replace the valve cover. Now, if the cover is ok and not warped, simply, replace the failed valve cover gasket.

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Oil in spark plug well 02 nissan maxima what could cause this

On the DOHC: The Spark Plug Tube Seals (Washers) on the Valve Cover has developed a leak.
Install new seals.
Remove the Valve Cover to Install the Seals.
If the Valve Cover Gasket have not been replaced recently, go ahead and replace them as well, making sure you clean thoroughly BOTH surfaces before installing any new Seal Washers and Gasket.

Let me me know if this helped, or if you have additional information or questions. Feel Free to contact me on!

ps...I'm replacing (for free!) the Valve Cover Gaskets today on a 1994 Nissan Maxima. Looks like we both will have fun!
If you need the Valve Cover Torque Sequence / Specs let me know on the Comment Section of this Post.

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Engine oil flowing on the spark plug

Usually this is due to the spark plug tube seal allowing oil to escape from under the valve cover down the tube. You will have to remove the valve cover and replace the seals. You might consider replacing the valve cover gasket at the same time.

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1 Answer

How do I replace the valve cover gaskets for a 1996 Ford Ranger w/ 3.0L Engine?

The valve covers installed on the 3.0L engine incorporate integral (built in) gaskets which should last the life of the vehicle. Replacement gaskets are available if required.
  1. Disconnect the negative battery cable. Disconnect the ignition wires from the spark plugs, but leave them attached to their wire looms.
  2. Remove the ignition wire separators from the rocker arm cover attaching bolt studs with the wires attached, then lay the wires out of the way.
  3. If the left hand cover is being removed, remove the throttle body assembly, the PCV valve and fuel injector harness stand-offs. If the right hand cover is being removed, remove the engine harness connectors, fuel injector harness stand-offs and air cleaner closure hose from the oil fill adapter.
  4. Using caution, slide a sharp thin blade knife between the cylinder head gasket surface and the valve cover gasket at the four RTV junctions. CUT ONLY THE RTV SEALER AND AVOID CUTTING THE INTEGRAL GASKET.
  5. Remove the integral gasket from the valve cover gasket channel. Note bolt/stud fasteners locations before removing gasket for correct installation. Clean gasket channel and remove any traces of RTV sealant.

To install:
  1. Align fastener holes, lay new gasket onto channel and install by hand. Install gasket to each fastener, seat fastener against cover and at the same time roll gasket around fastener collar. If installed correctly all fasteners will be secured by gasket and not fall out.
  2. Install valve cover to the engine, lightly oil all bolts and stud threads. Apply a bead of RTV sealant at the cylinder head to intake manifold rail step (two places per rail).
  3. Place the valve cover on the cylinder head and install attaching bolts and studs. Tighten the attaching bolts to specifications.

0996b43f802117db.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 3: Rocker arm cover installation on 3.0L engines
  1. Install all remaining components in reverse order of removal procedure. Connect the ignition wires to the spark plugs and reconnect the negative battery cable. Start the engine and run to normal operating temperature, then check for oil and vacuum leaks.

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Key Cover Assy needs new spider gasket. If it is a newer model the gasket is made into the key cover and it will have to be replaced

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