| VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here. |
May 11th, 2012, 23:27
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#1
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Veteran Member
Join Date: Nov 2003
Location: Morgantown, WV
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swapping PD engine for ALH in MKIV???
Have two TDI's now, one with ALH one with PD. If the PD dies would an ALH engine be an easy swap? Are the blocks the same? I suppose it would be easier to change the cam to something a bit more reliable than the PD, but WOuld be nice to have to cars with interchangable parts to keep them going for as long as possible.
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2002 Jetta Galactic Blue
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May 12th, 2012, 04:03
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#2
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Veteran Member
Join Date: May 2009
Location: Catskill mountains, NY
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Its by far not worth the effort.
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99.5 Jetta TDI; DLC1019 nozzles, G60/VR6, Malone Econo tune, EGR delete, ASR/EDL, bilstein TCs/VR6 wagon springs(1.5in lift),rally armor mud flaps. 305K miles and climbing. 
04 Jetta TDI . MFA cluster, e-codes, reverse light mod, LED trunk light. 157K miles(still a baby ).
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May 12th, 2012, 06:14
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#3
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Veteran Member
Join Date: Nov 2003
Location: Northern Virginia
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I agree, its not worth the effort. I do believe you would have to transfer ALL of the ALH specific electronics, including the ECU and harness and then have the imobilizer synced with the ECU if that is possible, or you may even have to install the ALH vehicle's instrument cluster, which may introduce a new host of issues. If it were me, and I really wanted to do this swap, I would only do it if I found out it was possible from someone else who was successful.
--Nate
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2004 Jetta GLS TDI 5M Plat. Grey w/ Leather. RC Stage 2, G60/VR-6 clutch, steel skid plate, TDIHeater, CAT 2um fuel flter, Phat Noise, and VDO boost & volt guages.
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May 12th, 2012, 13:43
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#4
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Veteran Member
Join Date: Nov 2003
Location: Morgantown, WV
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Yeah was wondering if it was a no brainer or at least a half brainer, figured it would be easier than converting a gas to diesel, sounds like it's about the same since you have to rewire a harness and other electronics.
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2002 Jetta Galactic Blue
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May 12th, 2012, 15:46
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#5
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Veteran Member
Join Date: May 2009
Location: Catskill mountains, NY
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Yeah, Honestly if I was going to go through that effort, I would do a gasser to diesel swap instead.
Its also technically illegal to put a older engine in a newer body. Not to mention why the heck would I want to put a slower, weaker, louder, smokier engine in anyway?
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99.5 Jetta TDI; DLC1019 nozzles, G60/VR6, Malone Econo tune, EGR delete, ASR/EDL, bilstein TCs/VR6 wagon springs(1.5in lift),rally armor mud flaps. 305K miles and climbing.
04 Jetta TDI . MFA cluster, e-codes, reverse light mod, LED trunk light. 157K miles(still a baby).
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May 12th, 2012, 20:10
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#6
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Veteran Member
Join Date: Nov 2003
Location: Morgantown, WV
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Quote:
Originally Posted by turbocharged798
Yeah, Honestly if I was going to go through that effort, I would do a gasser to diesel swap instead.
Its also technically illegal to put a older engine in a newer body. Not to mention why the heck would I want to put a slower, weaker, louder, smokier engine in anyway?
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Reliability, better fuel economy and common parts with the other car I own. Not everyone wants to throw money at a 4 banger to try and make as much power as a stock v8 from the 60's
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2002 Jetta Galactic Blue
Last edited by kirmet; May 12th, 2012 at 20:13.
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May 14th, 2012, 14:16
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#7
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Veteran Member
Join Date: May 2001
Location: NW of Southeast Dipstick, MA
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I hope that your PD engine VW is doing well.
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May 16th, 2012, 09:01
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#8
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Veteran Member
Join Date: Nov 2003
Location: Morgantown, WV
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It is, I'm just thinking of trying to acquire another motor to build up in the garage and was hoping it would would go into the newer car if something bad happens to it.
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2002 Jetta Galactic Blue
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