Squeaky belt

AWSAWS · 01-23-2018, 10:43 AM

Hi guys,
Can't remember if I asked about this on here. From a cold start my cars serpentine belt is a bit noisy. Goes away once the car is warm. I bought a new belt. Do I just replace the belt?
I believe the water test is supposed to prove its just the belt losing its condition rather than a bad bearing in one of the pulleys or guides. This was starting the car first thing in the morning. Temp was probably a little over 0 centigrade.

Here's a clip.

Wolf 335 · 01-23-2018, 11:10 AM

It's likely the belt.

If you want to be proactive you could change all the pulleys (including alternator pulley) and tensioner since you're already working on it.

Personally I would just change the belt and go from there.

Which belt did you get?

AWSAWS · 01-23-2018, 11:49 AM

I do like to be proactive. I changed my vanos solenoids even though I had a code just once. Most bits on the car are replaced or upgraded. On this occasion I'll do just the belt. 73,000 miles. Doesn't seem too high.

The one I went for is this one

"Dayco 134Bm0700 Engine V Ribbed Drive Belt 7 Ribs 7Pk1855"

IIRC it was the correct size etc. I didn't go for the cheapest. You often seem to get what you pay for but a simple rubber belt is a rubber belt. Others could be better. I'm not sure tbh.

Wolf 335 · 01-23-2018, 02:52 PM

Let us know how that manufacturer holds up.

I was more so curious if your car called for 1855 or 1860. Lots of shops don't pay much attention to this and put 1860 belts when car calls for 1855.

01-23-2018, 10:43 AM	#1
AWSAWS Colonel 277 Rep 2,340 Posts Drives: E92 GC Turbos, FBO, 335i DCT Join Date: Nov 2012 Location: Valhalla iTrader: (0)	Squeaky belt Hi guys, Can't remember if I asked about this on here. From a cold start my cars serpentine belt is a bit noisy. Goes away once the car is warm. I bought a new belt. Do I just replace the belt? I believe the water test is supposed to prove its just the belt losing its condition rather than a bad bearing in one of the pulleys or guides. This was starting the car first thing in the morning. Temp was probably a little over 0 centigrade. Here's a clip. __________________ GC Turbos, FBO, JB4, DCT, Port Meth injection, BMS Charge Pipe, NGK plugs. EBC brakes and pads, LED Angel lights, LED foglights, LCI rears OCC, Braided brake lines. Custom Diff Lockdown Kit, VTT inlets, TMAP, stage 2+ fuel pump 11.79@119mph (stock turbos) 11.74@129mph (GC Turbos)
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01-23-2018, 11:10 AM	#2
Wolf 335 Brigadier General 2562 Rep 3,659 Posts Drives: 2007 E92 335i Join Date: Aug 2012 Location: Toronto iTrader: (0)	It's likely the belt. If you want to be proactive you could change all the pulleys (including alternator pulley) and tensioner since you're already working on it. Personally I would just change the belt and go from there. Which belt did you get?
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01-23-2018, 11:49 AM	#3
AWSAWS Colonel 277 Rep 2,340 Posts Drives: E92 GC Turbos, FBO, 335i DCT Join Date: Nov 2012 Location: Valhalla iTrader: (0)	I do like to be proactive. I changed my vanos solenoids even though I had a code just once. Most bits on the car are replaced or upgraded. On this occasion I'll do just the belt. 73,000 miles. Doesn't seem too high. The one I went for is this one "Dayco 134Bm0700 Engine V Ribbed Drive Belt 7 Ribs 7Pk1855" IIRC it was the correct size etc. I didn't go for the cheapest. You often seem to get what you pay for but a simple rubber belt is a rubber belt. Others could be better. I'm not sure tbh. __________________ GC Turbos, FBO, JB4, DCT, Port Meth injection, BMS Charge Pipe, NGK plugs. EBC brakes and pads, LED Angel lights, LED foglights, LCI rears OCC, Braided brake lines. Custom Diff Lockdown Kit, VTT inlets, TMAP, stage 2+ fuel pump 11.79@119mph (stock turbos) 11.74@129mph (GC Turbos)
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01-23-2018, 02:52 PM	#4
Wolf 335 Brigadier General 2562 Rep 3,659 Posts Drives: 2007 E92 335i Join Date: Aug 2012 Location: Toronto iTrader: (0)	Let us know how that manufacturer holds up. I was more so curious if your car called for 1855 or 1860. Lots of shops don't pay much attention to this and put 1860 belts when car calls for 1855.
	Appreciate 0 Quote