Does someone know if my cam is belt or gear driven? Is it possible to tell from this picture? I hope it shows enough detail.
The engine is a 4JB1T.
Thanks in advance.
Arnoud
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Belt or gear?
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Belt or gear?
by Arnoud » Thu Nov 11, 2010 5:30 am
Hello all,
Does someone know if my cam is belt or gear driven? Is it possible to tell from this picture? I hope it shows enough detail.
The engine is a 4JB1T.
Thanks in advance.
Arnoud
Does someone know if my cam is belt or gear driven? Is it possible to tell from this picture? I hope it shows enough detail.
The engine is a 4JB1T.
Thanks in advance.
Arnoud
- Arnoud
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Re: Belt or gear?
by pig75 » Thu Nov 11, 2010 6:31 am
That looks like a gear drive
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Re: Belt or gear?
by geeves » Thu Nov 11, 2010 2:07 pm
If the plate behinde the pulleys is metal its gear drive. Also what oil filter are you running
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Re: Belt or gear?
by Arnoud » Thu Nov 11, 2010 6:37 pm
The black cover shown on the picture is plastic. But from what I read on this forum, the belt-type cover is supposed to be ribbed. Mine is obviously not.
I seems the plastic cover covers an aluminium cover, but I'm not sure about that.
What about the oil filter? I that an indication of the engine type too? I'll have to look that up.
I seems the plastic cover covers an aluminium cover, but I'm not sure about that.
What about the oil filter? I that an indication of the engine type too? I'll have to look that up.
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Re: Belt or gear?
by Arnoud » Fri Nov 12, 2010 6:37 am
Three weeks ago I ordered an oil filter using the number shown in the picture as reference:
The mechanic told me he had ordered a filter with the same spec coded: UOF 921 / DO 921
The mechanic told me he had ordered a filter with the same spec coded: UOF 921 / DO 921
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Re: Belt or gear?
by pig75 » Fri Nov 12, 2010 7:22 am
That filter is the same as ryco Z178A used on the 4JB1 gear drive motor here in Australia
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Re: Belt or gear?
by Arnoud » Sat Nov 13, 2010 6:04 am
Thanks for the replies. Seems you think it is gear drive, but I need to be sure.
I dont know the history of this engine and have no clue about the milage or age of the of the cam belt. (If there is one)
I guess I will have to loosen the cover to be sure.
Does anyone know an other way to find out?
I dont know the history of this engine and have no clue about the milage or age of the of the cam belt. (If there is one)
I guess I will have to loosen the cover to be sure.
Does anyone know an other way to find out?
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Re: Belt or gear?
by pig75 » Sat Nov 13, 2010 6:59 am
I am 99.99% sure it's a gear drive motor. Some gear drive motors have 2 covers plastic outer alloy inner 10 & 12 in the picture
This is what a belt drive cover looks like
This is what a belt drive cover looks like
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Re: Belt or gear?
by Arnoud » Mon Nov 15, 2010 6:39 pm
99.99% that's pretty sure! And happy with that as it makes me feel more secure about the chance of a snapping cam belt.
The situation might be similar as shown in the pictures. (plastic cover on top of the aluminium timing gear cover) But it does look different from both drawings; belt as well as gear drive . I will give it another close examination and hope to be able to draw a final conclusion. Will let you know.
Thanks for your help.
The situation might be similar as shown in the pictures. (plastic cover on top of the aluminium timing gear cover) But it does look different from both drawings; belt as well as gear drive . I will give it another close examination and hope to be able to draw a final conclusion. Will let you know.
Thanks for your help.
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Re: Belt or gear?
by muzila » Mon Nov 15, 2010 7:54 pm
There was only belts and gears for the cam right?? There no chance it could be a cam chain??
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Re: Belt or gear?
by geeves » Mon Nov 15, 2010 8:11 pm
only 2 options
Sanding your knuckles before starting work can help. That way you cant skin them
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