300 tdi drive belt

rollin danny · Apr 21, 2009

Towing my caravan the other day up a long incline the auto box dropped into third and revs shot up to about 3000 Then I got a wiff of burning rubber.Looked under the bonnet and found black dust on alternator.Do I need a new belt and if I change it will it stop the problem?

gegs88 · Apr 21, 2009

change the belt, don't know if it will help with the box or not but the belt sounds goosed anyway. when was the last time you changed the fluid and filter in the box?

ratty · Apr 21, 2009

rollin danny said:
Towing my caravan the other day up a long incline the auto box dropped into third and revs shot up to about 3000 Then I got a wiff of burning rubber.Looked under the bonnet and found black dust on alternator.Do I need a new belt and if I change it will it stop the problem?

It's possible that it's just a knackered belt but I think it's more likely that a pulley has seized. Remove the belt and try turning the pulleys by hand. Usually (not always) the pulley with dust is the one at fault.

rollin danny · Apr 21, 2009

Thanks for that.I dont know when filter and fluid was last replaced[looked ok last time I looked]I,ll try a new belt for what it is .Would Slipping belt cause loss of power?

rollin danny · Apr 21, 2009

Ive had a look under the bonnet with engine running and all pulleys apear to be turning fine.It seems to do it when auto box drops a gear and revs spin up 3000+.I love Derbyshire but dont love pulling 1200 kg caravan up those hills.

CharlesY · Apr 21, 2009

Do what the man said - slip the belt off and check for a tight-to-turn pulley.

Otherwise your new belt may go up in smoke too.

CharlesY

rollin danny · Apr 22, 2009

Got new belt and fitted it but it started squeaking like a budgie so decided to do the "penny trick" Trouble is I cant get the nut on the tensioner to move.It is anti-clockwise to loosen? Tried a ring key with taps from rubber mallet but nut seems to be rounding off.Ive just sprayed some oil [very carefully] to see if it makes any diference.

ratty · Apr 23, 2009

sometimes linking one spanner into another for extra leverage is better than hitting it with a hammer.

CharlesY · Apr 23, 2009

STOP using any open-ended spanner or bi-hexagon ring spanner NOW!

GET A SINGLE HEX SOCKET of the correct size BEFORE you jigger the nut any worse!

Single hex socket is clearly a six-sided hole into the socket.

ANTI-CLOCKWISE to loosen it.

CharlesY

gegs88 · Apr 23, 2009

ratty said:
sometimes linking one spanner into another for extra leverage is better than hitting it with a hammer.

theres nothing better than hitting it with a hammer

ratty · Apr 23, 2009

gegs88 said:
theres nothing better than hitting it with a hammer

thats only once you've given up all hope of a successful repair.

gegs88 · Apr 23, 2009

just do it at the beginning now and balls to the repairs

rollin danny · Apr 24, 2009

Ok I had another go at it today with my socket set,got a 15mm socket on and gave it massive force but I thought I was going to shear the drive on my socket ratchet.[its only a cheap one from Argos]It still didn,t budge so gave it some more wd40 and left it .Will try again tommorow

ratty · Apr 24, 2009

rollin danny said:
Ok I had another go at it today with my socket set,got a 15mm socket on and gave it massive force but I thought I was going to shear the drive on my socket ratchet.[its only a cheap one from Argos]It still didn,t budge so gave it some more wd40 and left it .Will try again tommorow

Sounds like it might be time for you to invest in a knuckle bar.

CharlesY · Apr 24, 2009

One would like to think he's turning the bolt the right way for OFF.

CharlesY

rollin danny · Apr 24, 2009

Its not a bolt its a nut.Didn't they teach you anything at night school

CharlesY · Apr 24, 2009

rollin danny said:
Its not a bolt its a nut.Didn't they teach you anything at night school

Never had to go to night-school so you'll need to tell me what those special remedial classes are like...

But at day school they certainly taught me where to place the apostrophe in the "it's" for "it is" and none in the possessive "its", and to have a space after a full stop, and a question mark at the end of an inquisitive sentence. Perhaps English isn't your first language.

Nut or bolt, I still hope he's turning it in the OFF direction.

Seems to me he's making a big deal of this "nut" anyway. Who lives near enough to go have a look? An expert peek might prevent a disaster.

CharlesY

Sean · Apr 24, 2009

all together now ........

righty = tighty

lefty = loosey

Series71 · Apr 24, 2009

ere charles if yer dont stop kicking off i'll put the zombie pick back up !

rollin danny · Apr 25, 2009

Success ! Ive managed to move the nut and get the penny in. No more squeeks ! Not even a chirp! Thanks to Ratty and special thanks to uncle Charlesy for having such a good sense of humour .Bet your a bag of laughs.[you can check me spellings now]

300 tdi drive belt

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