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CORRECT serpentine belt / accessory drive BELT part number for 2.7HDI
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citroenroen1   
Fri May 24 2024, 01:14pm
Joined: Apr 18 2024
Member No: #5495
Location: Los Angeles
 WHAT is the PART NUMBER for the 2.7HDI ACCESSORY DRIVE belt ?
what is the correct length?

(Internet search is showing several different lengths for C6hdi)
C6Dave   
Fri May 24 2024, 05:34pm


Joined: Oct 01 2009
Member No: #1
Location: Northumberland
 2.7 HDi & 3.0 HDi are the same spec as shown below - Gates Part is : GAT6PK1888
Website
citroenroen1   
Fri May 24 2024, 07:38pm
Joined: Apr 18 2024
Member No: #5495
Location: Los Angeles
 Hello Dave, Thank you for your reply to my inquiry :

Listings for C6 Accessory belt are confusing :

What is the source of your listing ?

Original OEM Citroën part# may be 5750XC.

Lengths for accessory belt for C6 2.7L vary: 1885, 1887, 1890 and your suggestion 1888mm.

In your opinion, will all of these serpentine belts fit?
1888mm is not available here in the USA, but 1885mm is.

DT17TED4
for OE number:
5750PT
Length [mm]:
1890
Length [mm]:
1890,0
Number of ribs:
6
Item number:
6PK1890

DT17TED4
Driven Units:
Alternator
Length [mm]:
1887
Number of ribs:
6
Length [mm]:
1885
Number of ribs:
6
Construction Year to:
07 / 2009
Item number:
1 987 947 819
Manufacturer:
BOSCH
MGmike   
Fri May 24 2024, 10:26pm

Joined: May 21 2017
Member No: #3151
Location: South Queensferry
 All of those will fit!
The tensioner has more than enough movement to cope with 5mm total difference in the initial length of the two extremes listed above.
citroenroen1   
Sun May 26 2024, 03:14pm
Joined: Apr 18 2024
Member No: #5495
Location: Los Angeles
 Thank you Mike.
Is replacing the belt a messy job?
Directions on how to do this from you would be helpful : downloads has factory directions which seem lacking in explanation .

William
MGmike   
Sun May 26 2024, 06:10pm

Joined: May 21 2017
Member No: #3151
Location: South Queensferry
 The factory directions are perfect!

You'll need a suitable pin to hold the tensioner in the removal position. You'll also need to remove the engine air intake pipe which is a PITA and don't use an electric ratchet on the tensioner as it'll jam against the chassis rail. Ask me how I know

TBH, unless it's slipping, I would leave it until you need to do the timing belts.
 

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