sickboy2345

hi guys


another question, im still a noob so sorry about that..

ok basically i have changed bottom crankshaft pulleys, all three i did that coz one of them was dented and apparently it was damaging my drive belt...BUT it wasn't this..im not quite sure, maybe i got a belt that was too wide or something and it was cutting a little bit off...you can see it on pics i have attached, this is a brand new belt i put it on yesterday, what i think it's causing the problem is one of the engine pulleys the bottom one, i tried to show it on pics as much as i could so please look carefully:

As you see the top pulley has got some space left (for a wider belt) but the bottom one - the one that cuts the belt is narrow so this damaged belt fits perfectly it pisses me off coz it makes funny noise whe the engine runs.(drives ok tho)









thats the bit that was cut off:







ok and just these just dont know what it is what are they? the first white thing is right next to the drivers side front light

the othjer one comes out the firewall but doesn't go nowhere..

please help..





thank you

IRPerformance

iTrader: (41)

Looks like either you have a chipped pulley or they are out of alignment. The rust on the pulleys isn't helping the belt either. Hit them with a wire wheel. The white connector by the air filter isn't stock. Most likely from some sort of aftermarket lights. Trace the wire or just tape it up and tuck it out of sight. The black wire from the firewall is just a ground strap someone added. These cars have a poor grounding system. Just attach it to the motor somewhere. The rear lift hook is a good place.

sickboy2345

thank you

just a thought: is it possible that someone has fitted a different pulley(i'm talking about the one that's causing the problem) i dont know about other models(fc or second generation fd) that was smaller then the standard fd one? does anyone know if other rx7 has different puleys?(more narrow) maybe someone installet this one by mistake?

i'm gonna check if it's been lined up properly...

thank you

Mahjik

iTrader: (1)

I just doesn't look like it was lined up right from the shot above showing the belt on the P/S pulley. It was installed using the outer ribs on the P/S pulley causing it to almost come off the lower A/C pulley.

Busted7

The idler pulley looks to me as if the bearings might be bad throwing off the alinement to the next pulley! Remove the belt and check the idler pulley for bearing play.

sickboy2345

guys sorry but i'm a complete noob, could you explain it to me one more time ?

whats P/S pulley? idler pulley? can you please tell me what pulleys are you talking about? (im assuming the a/c pulley stands for air con unit pulley?)

sorry just don't get it

Busted7

Excentric shaft pulley in the middle of the motor low.
Airconditioner pulley just to the right of excentric shaft.
Power steering pump pulley just above a/c pulley.
Idler pulley smaller pulley by the power steering pulley.

You need to check the idler pulley with the belt off, it looks shiney on the inside but rusty on the outside which might indicate the bearing is bad. Allowing the belt to ride outward.

You also need to know the belt should be on the same plane. Like a straight line no curves in or out!

sickboy2345

i'm gonna check that then! and see what is like..
thank you!

Dudemaaanownsanrx7

iTrader: (23)

in the second picture posted, did you put the belt on that way or did it somehow work its way forward? cause its not in the groves like it should be it needs to be one groove further back. If you put it on that way then thats your problem

sickboy2345

well that's the thing when i put in on it was sitting perfectly on the power steering pump pulley, but the one below it was just cutting it so now after this little bit has been cut off the belt sits like that, thats why i said i think the bottom pulley (the one just below power steering pump pulley) is maybe too narrow?

i don't know...


could someone do me a favour and measure his pulley? (the one below power steering pump)i need to know the width . see how wide my pulley is, if the dimensions are the same...

btw:

do you guys know what this is? dont know i found it in the box with parts i had, is it something to do with pulleys by any chance?

dhays

iTrader: (1)

Showing my ignorance here, but I was wondering about this photo that sickboy posted. It looks like the line that (on my car at least) runs from the UIM over to the brake system is disconnected. Is that a problem?

Also, he has an after market BOV, but typically where do they get there vacuum from since again my stock BOV is plumbed to the vacuum line that is the one of the capped ones on the right.

mgoddard1

That piece goes on the main drive pulley (the lowest one) to prevent the center bolt from possibly loosening up and destroying your engine. If it's torqued correctly it should never come out but that piece is bit of extra insurance.

BASTARD

iTrader: (4)

Looks to me that the A/C pulley is wrong

count the number of grooves on each pulley...looks like the A/C pulley is a groove less then the rest

Busted7

I tried to count the number of groves but couldnt in the pictures. Count the groves on each pulley and make sure there the same!

mgoddard1

It looks to me that the A/C P/S belt is running on the outside pulley on the main shaft when it should be running on the inside pulley of the main shaft. (I don't have my car here for reference). The inside pulley has 4 ribs which is what the A/C pulley has. Or maybe the inside out outside pulleys are flipped on the main shaft.

Mahjik

iTrader: (1)

There may be something up with that A/C pulley. For reference, here's a few shots of mine:

sickboy2345

now i'm worried, could someone tell me if it's good or bad? i don't quite understand what dhays said don't know if it's good or not.

mgoddard1

thanks for that, i need to put it back to where it was


guys i counted number of grooves(on the pic) and after i saw the pic of a/c pulley that Mahjik posted i can tell you that im missing one groove on my a/c pulley wtf? how is it possible? im just thinking...geezer who sold me the car said that he bought a chassis without the engine and then he bought a second hand engine and just fitted it in. is it possible that the aircon unit is from a different car(2nd gen fd?)


my aircon is disconnected anyway so can i just remove it? someone told me that i cand replace this a/c pulley, i need to replace the whole air con unit, if so what do i need to do? what about this space there? do i need to get a shorter belt? or maybe i can get just a pulley to fit it there?

dhays

iTrader: (1)

Don't let my questions worry you. I don't have any idea what I'm talking about, hence the questions. I would wonder about that disconnected line however. The stock BOV uses vacuum to help control the valve. I don't know of yours does the same or not. It could also get vacuum from a line on the other side of the engine bay where I'm guess your BOV is mounted.

There are folks here that can answer all those questions I'm sure.

Busted7

You can get a shorter belt and bypass the compressor pulley! If someone knows the belt size that would be great but if not you can loosen the belt idler pulley all the way cut the old belt and use it to measure what the new belt should be. Just over lap it and make a mark on the belt and then measure it to get an idea of length. Good luck and glad you found the problem. Fd compressors are easy to find.

sickboy2345

this belt as far as i know:

seat toledo belt. 1.9 turbo diesel without air conditioning, years from 1993-1998 halfords part number HB925G

i found it when i was searching through internet forums .

but have you guys got maybe a link to somewhere where i can see how to take the ac out? i dont want to leave it there

mgoddard1

Definitely the wrong AC pulley, mahjik's pictures shows 5 ribs, yours has 4. I wonder if the previous owner installed an AC compressor off a 2nd gen rx7. There are 4 bolts going through the side of the compressor into the engine block if I remember right and I believe you can reach them from under the car. If the system is pressurized you should take it to an AC shop first and have them pump the system out.

sickboy2345

thanks

but how do i check if the system is pressurized? can i do it? as far as i know the air con hasn't been used at all...its disconnected..

but ok let's say i have taken these 4 bolts out and taken the ac out..what else do i need to remowe? will i have a hole after i remove the a/c unit?(one below p/s pulley) do i need to blank it off?

btw:

this is the picture i have taken after installed new induction kit and rad hose, so everything else looks as it was when i bought it. could someone please tell me what this first question mark is?(on the left) what is it? what it does? and why isn't it connected to anything, this hose is just hanging from it.

the other thing (question mark on the right) is that a fuse box? should it have some sort of cover on the top or something?



btw2:

any comments about how bad this engine looks like, or anything u can see is wrong with it please shout!

thank you

mgoddard1

The ? mark points to the air pump which injects air into the catalytic converter for emissions and yes, the fuse box cover is missing the cover. If one of the hard lines going into the AC compressor is disconnected then yes, the system isn't pressurized with freon. Looking at the bottom right hand corner of that picture I'd say the AC is definitely disconnected. You may be able to find a dummy pulley for the AC when you remove it, search the forums for 'AC elimination'. Or just find a used compressor and don't connect it.

Dudemaaanownsanrx7

iTrader: (23)

or couldnt he remove both the power steering and a/c? i know alot of people do this. Of Course if you plan on adding a/c in the future you might take that into consideration. The steering isnt hard to turn on these cars without power steering. Would free up a little power at the same time.

I dont see why the pulley cant just be changed out? The pulley must come off...

sickboy2345

sorry i just need to one more question about this air pump:

is this hose supposed to be like that? it's not connected to anything...it's just hanging there.

yes i was thinking about removing power steering pump but i decided not to. i kinda like it

and the a/c pulley (apparently) can't be changed, you need to replace the whole a/c unit.

what i'm gonna do is probably remove the a/c and use the shorter belt, but i don't know if i 'd like to install it back in the future, someone told me that these cars heat up much more and a lot quicker if you turn the a/c on..is it true?