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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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Normal Threads | ||||||
Bigger turbo suggestions? Something handy found?
19-07-2017, 02:56 PM
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8 | 4,417 |
28-07-2017, 10:39 PM Last Post: Chris_90 |
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Forged Xud vs M-HDI
27-07-2017, 10:48 AM
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15 | 7,015 |
28-07-2017, 12:02 PM Last Post: darrenjlobb |
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Bosch injectors
21-07-2017, 07:04 PM
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12 | 4,902 |
22-07-2017, 12:20 PM Last Post: Niki |
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oil out of breather under hard cornering
19-07-2017, 06:45 AM
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9 | 3,864 |
19-07-2017, 11:45 AM Last Post: zx_volcane |
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Is thickness of radiator important?
15-07-2017, 01:29 PM
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10 | 3,431 |
17-07-2017, 08:54 PM Last Post: heyitsroth |
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Sump
12-07-2017, 11:14 AM
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7 | 3,464 |
12-07-2017, 04:15 PM Last Post: Magenta Sunset |
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Bosch removal with pulley intact
11-07-2017, 11:41 AM
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3 | 2,607 |
11-07-2017, 01:46 PM Last Post: Mattcheese31 |
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XUD7, XUD9 and upgrade conrods
09-07-2017, 06:47 PM
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4 | 3,100 |
10-07-2017, 10:20 AM Last Post: Ruan |
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DW8 Timing belt cover / water pump bolt size?
02-07-2017, 03:41 PM
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13 | 5,984 |
06-07-2017, 03:41 PM Last Post: Mighty306 |
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306 d turbo
23-06-2017, 03:12 PM
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5 | 3,389 |
30-06-2017, 03:42 PM Last Post: Puglove95 |
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The judge and its xud11
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07-01-2017, 10:20 PM
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37 | 17,527 |
24-06-2017, 06:04 AM Last Post: bashbarnard |
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1.9 12v head
12-02-2017, 04:54 PM
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4 | 2,556 |
22-06-2017, 08:31 PM Last Post: bashbarnard |
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pump oil xud9te or xud11bte
20-06-2017, 10:14 PM
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0 | 1,105 |
20-06-2017, 10:14 PM Last Post: niciou |
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Boost seems to be coming in later?? Any ideas?
26-05-2017, 01:35 PM
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11 | 2,985 |
17-06-2017, 06:20 AM Last Post: wdoyle2410 |
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Massive oil leak
31-05-2017, 08:04 AM
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8 | 4,270 |
05-06-2017, 09:16 AM Last Post: Seb_Ryan |
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Will a T2 turbo fit on a K14 manifold?
18-05-2017, 09:10 AM
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3 | 4,165 |
18-05-2017, 10:00 PM Last Post: Dum-Dum |
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The B***dy downpipe nuts
02-05-2017, 08:53 PM
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10 | 3,164 |
11-05-2017, 06:31 AM Last Post: yes306 |
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Radiator bleed screw/ tap vanished, possible better solution
04-05-2017, 08:17 AM
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4 | 1,921 |
09-05-2017, 10:06 AM Last Post: simonh |
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Cambelt changed 25k, 11 years ago - does it need changing?
28-04-2017, 07:25 PM
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7 | 2,343 |
08-05-2017, 12:44 AM Last Post: heyitsroth |
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Squeezing more power out of an already maxed out 11mm bosch pump
09-04-2017, 05:44 PM
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28 | 9,673 |
07-05-2017, 08:02 PM Last Post: Paul_13 |
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Washer bottle
27-04-2017, 10:45 PM
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3 | 1,784 |
28-04-2017, 07:50 PM Last Post: Frosty |
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Need the help of you Internet Diagnostic gurus
08-04-2017, 07:01 PM
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10 | 3,364 |
12-04-2017, 09:31 PM Last Post: allye |
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Are KCA 17S42 Bosch injectors rated at 175bar ok for my modified XUD?
10-04-2017, 08:29 PM
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4 | 2,179 |
11-04-2017, 03:33 PM Last Post: 399road |
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T3-t4 turbo
03-04-2017, 12:14 PM
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6 | 1,895 |
05-04-2017, 05:59 PM Last Post: Cbray2003 |
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Problem turbo pressure gt2056s
18-03-2017, 08:45 PM
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6 | 3,809 |
30-03-2017, 06:41 PM Last Post: niciou |
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