posted about how i have a mad belt squeal on my 325i e30, looked at the belts and the water pump belt was just not tight at all, how should i go by tightening the belts?
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Originally posted by Sonny View PostStop making threads
The belt tightening mechanisms on these are a bit tricky compared to most. Find the adjustment mechanism above the alternator, there is Locking nut on the back of it, and you turn the nut on the front and it sort of runs along some teeth on the adjustment mechanism. Then once its tight you do the locking nut back up again. I made the mistake of trying to turn the front nut without loosening the locking nut on the rear and stripped the teeth the nut. Don't do what i did.
Its a pretty ingenious tightening mechanism but yer if you don't know what you are looking for easy to damage by mistake.Last edited by e30davie; 04-02-2019, 10:46 PM.
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^^^ and do it soon.
I had a loose alternator / water pump belt on the cabrio that shredded itself and left me stranded 100 miles from my destination. That was one expensive lesson :(101
The E30 collection:
1987 325es M52 - Schwarz / Taurus Red Sport (son #2's)
1987 325is - Delphin / Black Sport (son #3's)
1987 325i Convertible - Triple Black
1989 325iX Coupe - Diamondschwarz / Black Comfort
1990 325iX Coupe - Sterling Silver / Grey Sport
1981 Fiat 124 Spider 2000 - Green / Tan
1998 Volvo V70 GLT - White / Tan
1998 Volvo S70 T5 manual - White / Taupe
2001 Ford Windstar - Silver / Grey (parts hauler)
2006 Lexus GX470 - White / Tan (tow rig)
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Originally posted by e30davie View PostSomething about the pot calling the kettle black.
The belt tightening mechanisms on these are a bit tricky compared to most. Find the adjustment mechanism above the alternator, there is Locking nut on the back of it, and you turn the nut on the front and it sort of runs along some teeth on the adjustment mechanism. Then once its tight you do the locking nut back up again. I made the mistake of trying to turn the front nut without loosening the locking nut on the rear and stripped the teeth the nut. Don't do what i did.
Its a pretty ingenious tightening mechanism but yer if you don't know what you are looking for easy to damage by mistake.
thanks for all the help.
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Originally posted by EbzyyE30 View PostI can call the original owner and ask him when he last did the timing belt, if it hasn't been replaced ill go by replacing everything but if its just as simple as it needs to be a little tighter than i don't want to go through the hassle of taking all those pulleys apart. also may have maybe been affected by temperature car used to be in Nashville and now its in canada in a cold garage.. i dont know just throwing what im thinkin.
thanks for all the help.
Order one it's a must
Blunttech.com, email them and ask for a tune up kit , the best in the business!Last edited by Sonny; 04-03-2019, 09:23 AM.
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Originally posted by e30davie View PostThe belt tightening mechanisms on these are a bit tricky compared to most. Find the adjustment mechanism above the alternator, there is Locking nut on the back of it, and you turn the nut on the front and it sort of runs along some teeth on the adjustment mechanism. Then once its tight you do the locking nut back up again. I made the mistake of trying to turn the front nut without loosening the locking nut on the rear and stripped the teeth the nut. Don't do what i did.
Its a pretty ingenious tightening mechanism but yer if you don't know what you are looking for easy to damage by mistake.
It's probably worth reading through the whole thing, but start with steps 13-14, then 17-19:
https://classicbimmerbits.com/e30-ho...t-replacement/sigpic
ClassicBimmerBits.com
Garage:______________________________________
-1989 Alpinweiss II 325i - Other Daily Driver
-1989 Zinnoberrot 325i - Daily Driver
-1974 2002 - Weekender
-1989 325ix - Totalled :(
-1981 320i - Sold
-1986 Porsche 944 Turbo - Sold
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Originally posted by Sonny View PostBelts are stretched probably, change them out it's pennies. Do you have a Bentley manual?
Order one it's a must
Blunttech.com, email them and ask for a tune up kit , the best in the business!
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Originally posted by EbzyyE30 View PostI do have the bentley manual previous owner seemed like he took care of it, i do think the belts are stretched, ill read the manual and see what it says.
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Don't over complicate things mate.
Inspect the front belts (water pump, alternator, aircon, power steering), if they look a bit cracked and old get new ons. if they look alright tighten them up as my my instructions above.
timing belt - figue out of the odo is broken. if it is then id be looking to change it when you can. if its not broken then happy days, few miles left in it yet. I've had a timing belt break on me, complete destruction of engine. nothing salvageable. its pretty rare, but when it happens its engine in the bin time.
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Originally posted by e30davie View PostDon't over complicate things mate.
Inspect the front belts (water pump, alternator, aircon, power steering), if they look a bit cracked and old get new ons. if they look alright tighten them up as my my instructions above.
timing belt - figue out of the odo is broken. if it is then id be looking to change it when you can. if its not broken then happy days, few miles left in it yet. I've had a timing belt break on me, complete destruction of engine. nothing salvageable. its pretty rare, but when it happens its engine in the bin time.
Need some suggestions! maybe seafoam if the fuel system is gunked up?
[EDIT] Did some research just now and it has come down to a backfire? first time it happened i thought i blew the motor i jumped out the car and looked under. but why does the car lose all power?
[EDIT 2] did some more research, pretty sure the car is running lean and it is hesitating. previous owner installed headers and different air filter from Kamotors. should i tune the car/ can it be tuned on stock ECU.Last edited by EbzyyE30; 04-25-2019, 04:08 PM.
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3rd gear is the most glorious feeling when the engine is running well.
Maybe you should freshen up the fuel injection. New temp sensors, oxygen sensor, fuel pressure regulator, and pop out the fuel rail and check/clean up the injectors. Fuel filter too.
Check replace the distributor and rotor, spark plugs, throttle switch, and check that the AFM board isn’t worn through its swipe contact.My son has the 1987 325e, 2 door, 5speed
I daily the 1989 325i, 4 door, 5speed
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Originally posted by 325e '87 View Post3rd gear is the most glorious feeling when the engine is running well.
Maybe you should freshen up the fuel injection. New temp sensors, oxygen sensor, fuel pressure regulator, and pop out the fuel rail and check/clean up the injectors. Fuel filter too.
Check replace the distributor and rotor, spark plugs, throttle switch, and check that the AFM board isn’t worn through its swipe contact.
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Blue temp sensor and O2 sensor are both great parts to replace when diagnosing a rough running engine. I would go Bosch on both and both can be had on Amazon or RockAuto for about $80-90 total.
Aftermarket headers and an intake won't have any real effect on air/fuel mixture. Definitely don't need to tune for them. But is there anything else that's been done to the engine?
Elaborate on "in 3rd gear the car loses everything". That gives us no details on the problem at all.
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Originally posted by the_eskimo_wonder View PostBlue temp sensor and O2 sensor are both great parts to replace when diagnosing a rough running engine. I would go Bosch on both and both can be had on Amazon or RockAuto for about $80-90 total.
Aftermarket headers and an intake won't have any real effect on air/fuel mixture. Definitely don't need to tune for them. But is there anything else that's been done to the engine?
Elaborate on "in 3rd gear the car loses everything". That gives us no details on the problem at all.
Question: when starting your e30, does the stock fuel pump make noise like it's turning on?
thanks in advance.
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