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I have a 91 Honda Civic 1.5L. I noticed that there is a drop of motor oil at the bottom of the timing belt chamber cover. It is not dripping. I don’t see oil stain on my garage floor. I think the crank seal and/or cam seal may be broken.
Eric does not have a VManual to change the timing belt for the Honda D series. Which Vmanual should I use as a reference to do my timing belt change.
I am planning to remove the top timing belt chamber to look inside. I want to open the engine head cover just enough to remove the timing belt chamber top cover. Can I remove the engine head cover without removing spark plugs?
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I don’t think any of the vmanuals would cover replacement of the oil seals. I would open the timing belt cover and try to identify the source of the oil leak first.
To replace cam/crank you would have to remove the pulleys. Then pry the seal out (using seal puller or screw driver) and drive in a new ones using seal installer (make sure to cover the seal with engine oil first) If not using seal driver, you can use a large socket over the seal and drive it into the proper location.
[quote=”skim3544″ post=32298]I don’t think any of the vmanuals would cover replacement of the oil seals. I would open the timing belt cover and try to identify the source of the oil leak first.
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This 91 Civic has only 62,000Km on it. The timing belt has not been changed. I may as well change the timing belt while I have it open.[quote=”skim3544″ post=32298]I don’t think any of the vmanuals would cover replacement of the oil seals. I would open the timing belt cover and try to identify the source of the oil leak first.
To replace cam/crank you would have to remove the pulleys. Then pry the seal out (using seal puller or screw driver) and drive in a new ones using seal installer (make sure to cover the seal with engine oil first) If not using seal driver, you can use a large socket over the seal and drive it into the proper location.[/quote]
In fact many of my VManuals also cover the replacement of oil seals. BTW I have shot the D series video but I haven’t had the time to edit it yet. I hope to get to that later this year.
That said I don’t think that’s your problem. I don’t think the crank seal is causing the leak. 98% of the time that leak is caused by the oil pan gasket. If it were me I would replace that first and then recheck for the leak. BTW use a Honda gasket and DO NOT goop it up with RTV, this will actually cause the leak. The best thing to do is use a cordless drill like I did in this video to install the oil pan bolts.
[quote=”EricTheCarGuy” post=32379]
In fact many of my VManuals also cover the replacement of oil seals. BTW I have shot the D series video but I haven’t had the time to edit it yet. I hope to get to that later this year.[/quote]
Great. I am the first one to purchase the D Series VManual as soon as it is released.That said I don’t think that’s your problem. I don’t think the crank seal is causing the leak. 98% of the time that leak is caused by the oil pan gasket. If it were me I would replace that first and then recheck for the leak. BTW use a Honda gasket and DO NOT goop it up with RTV, this will actually cause the leak. The best thing to do is use a cordless drill like I did in this video to install the oil pan bolts.
I will go under my civic this weekend to check on the oil pan for leak.
But I will take the upper timing cover off to check the condition of the timing belt since it is the original factory belt. This 91 Civic has only 62,000km on it after 21 years! To remove the upper timing cover, I need to raise the engine head cover a bit. Do I need to remove the spark plugs in order to raise the engine head cover?
Don’t inspect it, replace it. Age actually is more of a factor than miles, I’d be more nervous with an old belt with low miles than an old belt with high miles.
You don’t need to remove the plugs just the upper cover. Here is a video that might help you.
[quote=”EricTheCarGuy” post=32379]
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That said I don’t think that’s your problem. I don’t think the crank seal is causing the leak. 98% of the time that leak is caused by the oil pan gasket. If it were me I would replace that first and then recheck for the leak. BTW use a Honda gasket and DO NOT goop it up with RTV, this will actually cause the leak. The best thing to do is use a cordless drill like I did in this video to install the oil pan bolts.[/quote]
Eric, you are correct. A few weeks ago, I was trying to take the crank pulley off and stopped by the weather. I tightened the oil pan fasteners a bit. This is enough to stop the oil leak. I checked today. There is no oil at the bottom of the timing belt cover as shown in the photo of post #1 of this thread. The crank or cam seals are not leaking.
Thanks
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