Question about 1981 Honda CX 500 B

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You told me about part no 12329-415-000 spark plug drain washer can you tell me how to replace step by step and would i need new rocker cover gasket or can i use old one and when finished how tight do you do rocker cover nuts is it easy as im not good with engines daz cx500 custom 1981

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Hi, the rocker cover gasket can be reused if is not damaged in any way you may want to apply a small amount of sealent to it, when tightening the rocker coverbolts when you feel them stop use only a slight amount of pressure to tighten, as they tend to break when overtightened, i am not sure what part you refere to exactly but if you mean the ruber ring that fits in the rocker cover then this is a simple job, do you have oil leaking from the weep hole in the side of the cylinder head?this ring fitted to the rocker cover stops this,

Posted on Jan 01, 2011


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Is there supposed to be oil in with the spark plugs

No this is not mormal. I am assuming you are saying there is oil on the outside of the spark plug and not on the electrode when you removed it. If you have oil on the outside of the plug your valve cover gasket is leaking. Try tightening the valve cover down ever so slightly. DO NOT over-tighten. If that does not work then the gasket will need to be replaced. Unless it is leaking lots of oil, you may just want to live with it as it is expensive to pay someone to replace the valve cover gaskets.

Mar 04, 2011 | Daewoo Leganza Cars & Trucks

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Oil get into spark plug well. need to know how to replace the valve cover gasket on a 2003 dodge intrepid sxt . clean sparkplugs well of all oil and replaced sparkplugs

these are the things you need to do.

Allow the car engine to cool by letting the car sit idle for several hours. Lift the hood and disconnect the negative battery cable. Remove the upper intake manifold assembly. Using the spark plug tool, remove the spark plugs. Disconnect the spark plug wires. This can be accomplished by pulling straight out on the boot. Locate the cylinder head and disconnect the closed ventilation system and evaporation control system from it.

Locate the left cylinder head cover and remove the DIS coil. Using the wrench, loosen and remove the rocker arm cover mounting bolts. Carefully remove the rocker arm cover from the cylinder head. Remove the gasket cover. Using the screwdriver, gently nudge the gasket to remove it from the seating area.

Using the automotive cleaner, remove any particles, oil or other remnants that were left by the old gasket. Place the new gasket in the gasket seating area. Using the torque wrench, tighten the rocker arm cover fasteners. Reverse the steps used to remove the parts

Complete the maintenance by adding oil to the car and allowing it to run idle for 10 to 15 minutes.

Feb 22, 2011 | Dodge Intrepid Cars & Trucks

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1992 toyota corolla oil leak around spark plug tubes. how is it repaired

You need a new valve cover gasket set. This will come with seals that fit around the spark plug tubes.

Jan 18, 2011 | 1992 Toyota Corolla

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Pajero io 1.8 water leak at the back of the cylinder head, guide me ho to fix!

Cylinder Head Removal & Installation To Remove:
  1. Remove the intake manifold.
  2. Remove the timing belt.
  3. Disconnect the exhaust pipe from the manifold.
  4. Remove the water outlet pipe and o-rings.
  5. Remove the water passage assembly.
  6. Remove the water pipe assembly.
  7. Remove the breather hose and spark plug cables from the rocker covers.
  8. Remove the rocker cover.
  9. Disconnect the camshaft position sensor connector.
  10. Loosen the cylinder head mounting bolts in 3 steps, using the reverse of the installation sequence. Lift the cylinder head assembly and remove the head gasket.
To Install:
  1. Clean the engine and cylinder head sealing surfaces.
  2. Install the new gasket on the engine with the identification mark facing up and to the front.
  3. Using 3 even steps, torque the head bolts in sequence, to 76-83 ft-lbs. (105-115 Nm). Cylinder head bolt tightening sequence 7924ug13l.gif
  4. Connect the camshaft position sensor connector.
  5. Install the rocker cover.
  6. Install the breather hose and spark plug cables from the rocker covers.
  7. Install the water pipe assembly.
  8. Install the water passage assembly.
  9. Install the water outlet pipe and o-rings.
  10. Disconnect the exhaust pipe from the manifold.
  11. Install the timing belt.
  12. Install the intake manifold.
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Oct 19, 2010 | 2001 Mitsubishi Montero

1 Answer

Can somebody please tell me how long it should take to replace rocker cover gaskets in a 1998 v6 toyota camry as the quote i have been given seems excessive , thank you, Daz

About 30 mins in total and that is generous.

Breather pipe off
Spark plug cover off
HT leads off
10 screws and the rocker is off. Clean the rocker edge, new gasket, some sealant and refit everything. Repeat for other bank. If I lived nearby I'd do it for a beer :)

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Oil by the spark plugs

the valve cover gasket has inner gasket some times called spark plug tube seal. so replace valve cover gasket will fix it

Feb 26, 2010 | 1996 Pontiac Grand Am

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Oil in spark plug housing

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Nov 24, 2009 | 1993 Honda Accord

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How to change out valve cover gaskets on a 1989 Lincoln Town Car

This is All you need for this Repair, ALSO Be Sure ALL GASKET SURFACES ARE VERY CLEAN. This Engine Requires MORE than MOST ALL Engines do for this Repair.


  1. To remove a valve rocker arm cover from the RH cylinder head, disconnect PCV closure tube from oil fill stand pipe at rocker cover.
  2. Remove the Thermactor bypass valve and air supply hoses as necessary to provide clearance.
  3. Disconnect the spark plug wires from the spark plugs using Spark Plug Wire Remover T74P-6666-A or equivalent. Do not pull on wire. Remove the wires and bracket assembly from the rocker arm cover attaching stud and position the wires out of the way. ALSO MARK THEM AS TO WHERE THEY CAME FROM !!!
  4. Remove upper intake manifold.
  5. Remove attaching bolts and remove the cover.

  1. Clean the valve rocker arm cover(s) and the cylinder head gasket surface(s). Position a new service valve rocker cover gasket.
  2. Position the cover(s) on the cylinder head(s). The cover is tightened in two steps. Tighten the bolts to 14-18 N.m (10-13 lb-ft). Two minutes later, tighten the bolts to the same specification.
  3. Install the crankcase ventilation tube in the RH cover.
  4. Install upper intake manifold.
  5. Install the spark plug wires and bracket assembly on the rocker arm cover attaching stud. Connect the spark plug wires. Install the air intake duct assembly.
  6. Install the Thermactor bypass valve and air supply hoses (if required).

Oct 03, 2009 | 1989 Lincoln Town Car

2 Answers

2001 jaguar s-type 4.0 oil in spark plug area

Hi bravo956
i also have the same problem regarding the oil leak. this is due to the spark plug gasket leaking and you will need to replace them. they are circular gaskets about 1.5 inches across that fit to the underside of the rocker covers and prevent oil from seeping down the long spark plug hole. when i investigated my leak i assumed it was just the rocker cover gasket that was leaking but once everything was removed it is obvious.

Jan 10, 2009 | 2000 Jaguar S-Type

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1981 honda cx500 idle problems I have a 1981 Honda CX500 Custom. It putters real bad almost to the point of stalling but only when its warmed up. This sucks because it putters at every stop sign or red light I hit. I have the haynes manual so i checked everything it suggested including cleaning the carbs twice, checking the valves, adjusting air fuel ratio, renewing spark plugs, checking for air leaks (I have cracks on my intake boot, but don't go through to the interior). I tried the carb cleaner approach but didn't get any results. At one point it was so bad to the point that it would stall every time I would start out in first gear. I then found a loose wire connection on a yellow wire which led to the ignition coil. Tightening that helped drastically until this current problem. What has me puzzled is that it ran fine in the early spring, even after sitting for four years. Whenever i don't want to be embarassed, I will put the choke on just slightly and it will idle high, but smooth. I don't ride with it on for more than 10 seconds. There is a small oil leak from the clutch cover but I don't think that would cause an issue. I changed the oil at the beginning of spring but I plan on doing it again soon since I have a new filter on the way. I am all out of options and need someone else's advice! The bike has 34k miles and am not looking forward to rebuilding it if that is the problem. I am going to look more closely into the electrical side tomorrow to be positive there are no loose wires going from the computer to the ignition coil. Any ideas will be appreciated.

Jun 22, 2012 | 1981 Honda CX 500 B

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