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Most would agree Opti-Lube XPD has the better lubricity for sure. I do think Stanadyne's Lubricity Formula adds adequate additional lubricity for commonrail concerns. I do have a customer with more than 400k miles on his CP4 after I replaced it when the car had about 130k on it. Pump hasn't had...

CJAA starter is meant for a totally different transmission and flywheel. 02Q is radically different architecture...

Yeah, the bellhousing does add 4.5mm spacing from the engine from what I recall. I use the G60 single mass flywheel on mine and it doesn't seem to be a problem. I'm sure it, too, does have less tooth engagement, but it doesn't seem to be causing any problems with the original starter. There's...

Yes, you can use 02J everything. G070026A2 and G060726A2 should both be fine in a 02S, since there's really not much difference vs. a 02J internally. Just be sure to following the special drain and fill procedure, the same as the 0A4, but with a little more fluid. The bellhousing change from...

The roll pin that secures the main shaft for the spider gears into the differential sheared, allowing the shaft to fling out under centrifugal force and do a LOT of damage. It's not an entirely uncommon failure for *any* transverse FWD VW gearbox. This is a failure that happened plenty on old...

That sucks! I was commenting to someone earlier about how much of an improvement the roll pin setup is on these later 0A4s and 02S gearboxes. Lately, when I service a diff, I force-shear the roll pin with an air hammer on that spider gear shaft, all the early diffs are shockingly easy to shear...

I've owned a couple 2 door 99.5 Golfs with crank windows before. One of them I had to replace a window regulator on :ROFLMAO: I've owned a 4 door Golf with Power windows and a couple 4 door power window Jetta wagons and haven't replaced a window regulator on them yet. Once you have the...

Welp, can't see the codes from any of the individual modules, but I'm going to guess a lot of them are pretty upset at not being able to see the ABS module anymore. These cars are very reliant on communication to the ABS for several functions, so yeah... clusters tend to light up like a...

Depends on the driving you do. If it's largely flat and higher speeds, the .622 and .658 are great. If you live where there are steep uphill mountain passes and traffic/speed limits won't let you get much above 60 MPH while in that extended higher load situation for minutes at a time, you'll...

The wagon deegingerkid and I picked up in fall '23 has been only slightly modified. Emissions stuff is all still there and functional--the EGR with cooler is actually nice to help it warm up quicker, which is good for cold weather warm up time and cabin heat as well as helping with efficiency...

The BRM cam has more aggressive valve profile, and very importantly, more lift on the injector profile. BRM injectors use smaller diameter plungers in them than the earlier PD TDIs do (7.5mm in the BRM, 8mm for the earlier PDs). In order to get the same approximate displacement, they increased...

On any VW about year 2000 and newer, glow plug light, tach and communication with other modules is all done via CAN bus to the cluster. Hopefully your swap wiring didn't involve you touching CAN bus wires at all... orange twisted pair of wires, one with brown stripe, other with black stripe.

On your DPF-equipped diesels in particular, you may notice it goes a few miles further inbetween DPF regen cycles on the R99. It does legitimately produce noticeably less soot than conventional diesel. It's very clean-burning, just with the downside of a little less low end torque and less MPG...

Outside of the lubricity, I haven't been a fan of conventional transesterified biodiesel in a long time. It has a history of unevenly swelling pump seals, leaving behind varnish in parts of the fuel system you'd really prefer it not to, and wherever it leaks out of it leaves a nasty, sticky...

The 2200 BAR sensor is really only for more extreme tunes. If you're not planning on going past your current stage 2 tune (which would require at a minimum, a bigger turbo) you don't have a need for the higher reading rail pressure sensor. Also, using the higher reading sensor means you *need*...

I would be careful using a flywheel meant for an 02Q in an 02M-equipped car. 02Qs have a few mm extra spacing further back from the engine. Often, when you use a 02Q flywheel in an 02M, it has a similar additional offset, which will cause the pressure plate to rub on the bellhousing...

That slave cylinder issue is exactly why I like the 02S 6 speed so much. Heh So very rarely see failures with the 5 speed slave cylinder, and if it does fail, it's just two bolts on the top of the transmission. Transmission removal not required. Not to mention, the transmission is not as wide...

Like Oilhammer said, the BRM mech units seem to be unobtanium these days. As for manual swap options, the 02S 6 speed is a great one. You can use the more commonly available and cheaper 5 speed parts, but still have an extra gear. The TKR and TDZ code 02S family boxes we got in 2019-2024 for...

I know on some of the KESSY-equipped cars, the moment you take your finger off the starter, it stops cranking. Not all the KESSY setups are full automatic where one quick press lets it keep cranking until the engine is running. You have to keep holding the button until it's running.

Love that!