D16A6 Upper timing belt cover

NaturalSelection · November 2016

I blew a head gasket on my 91 rt4wd. A friend helped me with the replacement. During the process we removed the Inner Upper timing belt cover. The seal on the piece was thoroughly melted. Unable to find a new one I just put everything back together and it all seems to be running fine. If this piece even necessary?

The problem though is that now I have no Upper timing belt cover and if I do find the right inner cover to replace the old one will I have to pull the camshaft to get it back on? What a pain in the ass. A weird question I know but any knowledge would be great. I hope to try to source a replacement and get it on there this weekend so if anyone has any ideas on how it can be done without bulling the camshaft would be great!

PDXAutoworks · January 2017

Many people run without the upper timing cover without issues. It was put there by Honda for a reason so it's best to utilize it.

When you do find a replacement, all you need to do is remove the valve cover, put it into place & bolt it down. No messing with the camshaft or gear is necessary.

superhatch · January 2017

Still available from Majestic Honda, $19.50. I think you have to remove the cam gear and timing belt, but if you keep tension on the timing belt you might be able to do it with everything in the car...not 100% on that though.

http://www.hondaautomotiveparts.com/auto/jsp/mws/prddisplay.jsp?inputstate=5&catcgry1=CIVIC&catcgry2=1991&catcgry3=5DR+4WD+%281600%29&catcgry4=KA5MT&catcgry5=CAMSHAFT+-+TIMING+BELT

#7?

espn8theocho · April 2018

Will have to take gear off or head off. I recently did my headgasket and forgot to put the inner cover that mounts to the head on. The top cover mounts to the inner cover mounted to the head. Therefore could not put top cover on and did not want to take off the gear or head off again so Im running w/o it no issues.

D16A6 Upper timing belt cover

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