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The XUD and DW8 Engines |
The XUD is the 1905cc indirect injection diesel engine as fitted to the 93-97 Ph1 & Ph2 diesel 306s, it comes in both turbo and non turbo variants. The non turbo XUD9A produced between 67-71hp depending on year. The turbo model makes 92hp as standard, but was derated to 90hp from 1997 onwards. It is a very popular engine across many older PSA cars and very popular to tune with its fully mechanical Bosch axial or Lucas rotary injection pumps. They are also renown for there reliability and being easy to fix / work on. The later models also featured a catalytic converter in the exhaust along with EGR for emissions. DW8 The DW8 is essentially a derivative of the older XUD9 design, an 1868cc engine it is considered a 1.9 litre, although may sometimes be shown as a 1.8 litre to distinguish from the XUD7 and XUD9. It is fitted to 1999> Ph3 Diesel 306s along with many other cars and light commercial vans, namely the Peugeot Partner and Citroen Berlingo. The name would suggest it is part of the DW line of engines that replaced the ageing XUD, although it has more in common with the XUD with it's mechanical rotary Delphi/Lucas pump which is near identical in operation to that of the XUD, it shares more in common with the XUD9 than the DW10/12 engine. The engine does have an "ECU" of sorts, although this computer is purely for it's complex EGR emmissions systems and anti-theft systems, however underneath all of this lurks a very familiar mechanical Indirect Injection engine which is incredibly reliable due to it being based upon 25 years of design and refinement and being reasonably low stress. The engine is rated at 69-72hp, again dependent on year. |
XUD Section
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Main Fuel Screw and Idle Speed
03-05-2022, 05:42 PM
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6 | 1,722 |
28-05-2022, 10:20 AM Last Post: Martin306 |
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xud7 on a bosch
24-02-2016, 03:55 PM
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2 | 1,153 |
24-02-2016, 06:59 PM Last Post: Danny Wideboy |
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Substitution pump Lucas with Bosch
12-05-2016, 01:58 PM
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3 | 1,633 |
13-05-2016, 08:36 AM Last Post: toseland |
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Air Filter
07-07-2016, 08:33 AM
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2 | 861 |
08-07-2016, 07:53 AM Last Post: WiNgNuTz |
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Turbo
11-09-2017, 09:47 AM
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3 | 1,970 |
11-09-2017, 12:32 PM Last Post: Chris_90 |
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Change engine 3061.9TD
25-09-2016, 01:50 PM
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2 | 1,089 |
26-09-2016, 04:27 AM Last Post: Dave |
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Is my dtub gonna runaway ?
01-07-2013, 07:30 PM
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15 | 3,716 |
02-07-2013, 09:43 PM Last Post: Dave |
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Turbo change
03-07-2013, 08:25 AM
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2 | 1,040 |
03-07-2013, 09:25 AM Last Post: darrenjlobb |
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Hello, just joined and need some advice
25-10-2012, 06:45 PM
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6 | 1,252 |
01-11-2012, 11:29 PM Last Post: Curt |
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1.9 lumpy startup from cold and blue smoke!
13-05-2013, 09:37 PM
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23 | 8,153 |
28-10-2013, 07:36 PM Last Post: mattgreene |
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WVO Filtering & filling
07-06-2013, 02:01 PM
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7 | 2,268 |
07-06-2013, 06:43 PM Last Post: Chris_90 |
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live feed for boost gauge
20-07-2013, 03:42 PM
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5 | 1,269 |
21-07-2013, 01:55 PM Last Post: Andy annear |
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Flat spots in acceleration
13-08-2013, 07:30 PM
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7 | 2,086 |
14-08-2013, 11:03 AM Last Post: Matt |
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Running decent power with reliability
01-01-2014, 02:31 PM
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27 | 5,367 |
07-01-2014, 02:55 AM Last Post: mcglynn |
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De-tuning a xud for economy?
19-03-2014, 06:26 PM
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18 | 2,503 |
20-03-2014, 07:24 PM Last Post: Tom |
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D8a rebuild Head gasket and headbolts?
22-02-2013, 12:18 AM
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2 | 1,523 |
22-02-2013, 06:17 PM Last Post: Andy325i |
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Clutch?
14-03-2013, 10:37 PM
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4 | 1,164 |
17-03-2013, 10:26 PM Last Post: londondan86 |
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Fuel tank
16-03-2013, 09:55 PM
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4 | 2,346 |
17-03-2013, 06:15 AM Last Post: cpikey316_ |
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pump problem help please
23-03-2013, 01:49 PM
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1 | 1,011 |
23-03-2013, 05:17 PM Last Post: londondan86 |
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luca pump help need
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26-03-2013, 06:41 PM
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35 | 11,474 |
27-03-2013, 09:12 PM Last Post: D@wson |
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d8a
06-04-2013, 11:02 PM
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7 | 2,455 |
07-04-2013, 11:50 PM Last Post: padge |
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injector torque settings
13-04-2013, 06:40 AM
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9 | 3,396 |
13-04-2013, 01:51 PM Last Post: Tom |
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bit of help needed
14-04-2013, 12:43 AM
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1 | 990 |
14-04-2013, 09:37 AM Last Post: Ricky |
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camshaft
16-04-2013, 06:16 PM
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6 | 2,185 |
16-04-2013, 07:19 PM Last Post: Piggy |
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xud timing kit
07-06-2013, 05:38 PM
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4 | 1,230 |
09-06-2013, 03:07 PM Last Post: ozonehostile |
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