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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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De-Filtered T2 sounds like a boost leak?
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09-08-2012, 09:36 PM
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30 | 9,219 |
11-08-2012, 01:55 AM Last Post: RadiationBeta |
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glowplugs
09-08-2012, 09:00 PM
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3 | 1,084 |
10-08-2012, 09:37 AM Last Post: CJ_Derv |
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Clutch problem
10-08-2012, 02:41 PM
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15 | 5,507 |
22-04-2018, 02:04 AM Last Post: Dave |
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TD04 Progress
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11-08-2012, 07:34 PM
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35 | 10,760 |
20-08-2012, 09:16 PM Last Post: CJ_Derv |
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lucas fuel caps
11-08-2012, 11:05 PM
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7 | 1,610 |
16-08-2012, 02:15 AM Last Post: Jarrus |
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Battery size
12-08-2012, 08:54 AM
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3 | 1,099 |
16-08-2012, 02:16 AM Last Post: Jarrus |
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Fuel economy
12-08-2012, 02:04 PM
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15 | 3,448 |
18-08-2012, 03:11 PM Last Post: Jarrus |
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406 pump mods
13-08-2012, 09:37 PM
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5 | 4,369 |
14-08-2012, 04:28 PM Last Post: philb |
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28psi max with MBC fitted
13-08-2012, 09:21 PM
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19 | 4,112 |
16-08-2012, 12:00 PM Last Post: Ruan |
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thanks guys
08-10-2012, 11:26 AM
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16 | 3,035 |
16-10-2012, 04:35 PM Last Post: karl1989 |
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Turbo help!! asap lol
14-08-2012, 07:13 PM
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13 | 3,492 |
16-08-2012, 05:42 PM Last Post: Jarrus |
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Noises from under the bonnet knocking/rattling?
19-05-2013, 09:23 PM
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7 | 1,903 |
29-05-2013, 01:25 PM Last Post: doogle-d turbo |
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Grinding at 3000rpm
15-08-2012, 05:26 PM
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4 | 1,607 |
16-08-2012, 01:08 PM Last Post: CJ_Derv |
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td04 remount
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15-08-2012, 09:26 PM
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32 | 12,486 |
20-08-2012, 11:08 PM Last Post: silverzx |
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Think this needs replacing LOL
16-08-2012, 09:19 AM
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2 | 1,080 |
16-08-2012, 12:04 PM Last Post: CJ_Derv |
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Turbo Oil lines
16-08-2012, 07:33 PM
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5 | 1,499 |
21-08-2012, 06:41 PM Last Post: strictly_perv |
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MORE problems
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8 | 2,196 |
27-08-2012, 12:24 PM Last Post: Tom |
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37 | 9,267 |
20-08-2012, 10:24 PM Last Post: CJ_Derv |
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Xud big end bearing torque
18-08-2012, 09:42 PM
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4 | 1,871 |
19-08-2012, 07:35 AM Last Post: Dave |
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boost pressure limits tmic
19-08-2012, 10:13 PM
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4 | 1,282 |
20-08-2012, 11:02 AM Last Post: Jarrus |
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Auxiliary Belt Tensioner
20-08-2012, 07:11 AM
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3 | 2,065 |
20-08-2012, 05:43 PM Last Post: mclearg |
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2 different bosch's on 406?
20-08-2012, 02:38 PM
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10 | 2,094 |
20-08-2012, 10:11 PM Last Post: philb |
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Lucas pump occasional high rev problem?
20-08-2012, 07:31 PM
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4 | 1,712 |
20-08-2012, 09:25 PM Last Post: Mitch |
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can a D turbo sound nice?
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21-08-2012, 02:57 PM
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60 | 17,928 |
29-01-2013, 08:41 PM Last Post: bigcheez2k3 |
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Lucas pump advice...
22-08-2012, 12:01 PM
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8 | 1,804 |
23-08-2012, 08:52 AM Last Post: Joe |
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