cam belt how to change
Discussion
Lots of info here:
http://www.miata.net/garage/timingbelt.html
As yours is a 1990 model then you probably have the early design crank with the 4-slot pulley, and there is a potential problem with the bolt becoming loose and damaging the crankshaft keyway. Check this page for more info on how to proceed with this design of crank:
http://www.miata.net/garage/crankshaft.html
That first page makes it sound very tricky, but in reality it's pretty straight forward so long as you take your time and count the cambelt teeth spacing before you take the old belt off.
http://www.miata.net/garage/timingbelt.html
As yours is a 1990 model then you probably have the early design crank with the 4-slot pulley, and there is a potential problem with the bolt becoming loose and damaging the crankshaft keyway. Check this page for more info on how to proceed with this design of crank:
http://www.miata.net/garage/crankshaft.html
That first page makes it sound very tricky, but in reality it's pretty straight forward so long as you take your time and count the cambelt teeth spacing before you take the old belt off.
Edited by anonymous-user on Monday 22 June 20:11
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