Xantia 1.9TD Aux belt length for A/C bypass

[Xaccers]

You know that horrible sound, rusty metal squealing against rusty metal as the compressor's pulley bumps and grinds away with old age.
We know that if you can't replace the bearing, it eventually fails and you end up making fire - which is bad. Very bad.

Should you need to go without an additional engine heater in your O/S/F wheel arch, then you need a new shorter belt to exclude the compressor.
The length is 1150mm.

You also need to remove the eccentric tensioner, and your auto tensioner (including spring behind the hydraulic pump) must be in good order!

1. Get the car up and make access to the belt, there shouldn't be need to remove the wheel, just turn it hard right.
2. Remove the ECU and it's box, there's no need to disconnect the ECU it just slides out.
3. With the ECU box out of the way, you should have clear access to the 3/8 square hole in the auto tensioner. I have a breaker bar from Halfrauds with a swingable head that is ideal for fitting in the hole and then pushing it down against the inner wing where the ECU box was the tensioner can be swung away from the belt.
4. Remove the old belt.
5. Remove the eccentric tensioner by unscrewing the hex bolt completely.
6. Fit the new belt. It runs over the hydraulic pump, around the front edge of the alternator, around the crank pulley and under the auto tensioner.
7. Release the auto tensioner and the job is done.

[Zelandeth]

Find myself wondering if there are possibly slight differences between different years?

I've just done this on my 1998 S2 1.9TD when it decided to eat the A/C compressor pulley bearing, and found that it could be done with the eccentric tensioner still in place, and some trial & error for belt length.

I checked the tension before removing the existing belt based on highly technical wiggling of it by hand, and measuring how far the belt actually deflected when removing the tensioner, and the result with the new belt is roughly the same as beforehand.

I ended up using a 1152mm belt - with the existing eccentric tensioner still in place. Belt is now running silently, and was almost precisely as awkward to get on as the original 1735mm belt was to get off.

[Grum]

Hi Guys,

I just thought I'd ad my peniesworth!

I have just fitted a 6PK1153 belt to my Xantia 2.1TD. I also have both tensioners in place!

[CitroJim]

Hi Guys,

I just thought I'd ad my peniesworth!

I have just fitted a 6PK1153 belt to my Xantia 2.1TD. I also have both tensioners in place!

Brilliant! Great news Grum

[Grum]

Cheers Jim!

[KennyW]

There 2 sizes belts for late 1.9 TD's depending on the Air con compressor.

Sanders 1735mm and Delphi 1752mm. The eccentric tension is locked in place for easy removal and fitting.

Kenny