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31
IDI Engine / Re: KCA nozzles. Are they interchangeable?
« Last post by sgnimj96 on October 12, 2024, 12:31:56 pm »
probably,  but the IDI vw's only used 3 different types afaik
dn0sd293 was the most common,  193's are about the same but were from the early 1.5's.

Using the wrong nozzles may not make a difference,  but it won't help.
32
IDI Engine / Re: 1.6td vs AAZ in a 1982 Vanagon
« Last post by homerj1 on October 12, 2024, 12:21:53 pm »
PMed you!
33
IDI Engine / KCA nozzles. Are they interchangeable?
« Last post by 67gtman on October 10, 2024, 02:07:49 am »
There are some 15 nozzle types for about 10 KCA-type bosch injectors. Do these nozzles have same dimensions and can be physically fitted to any kca injector?
34
IDI Engine / Re: 1.6td vs AAZ in a 1982 Vanagon
« Last post by fatmobile on October 09, 2024, 01:22:26 pm »
Good points Rabbit Jockey.
 The later 1.6D has the same style crank timing sprocket key.
 And I have seen them give way on the 1.6 even with the v-belt setup.
 The serpentine belt setup makes it worse because when you decelerate,
 the alternator momentum can try to rotate the crank because the serpentine belt grabs the belt harder.
 Whereas the v-belt can allow a little slip.

 Later serpentine belt setups have an alternator pully that ratchets so it can't drive the crank sprocket backwards.
 It only grabs in one direction.

 I do have a tool for putting the flat spot on the crank nose while it's still in the car.
So it will work with the AHU, TDI, "D" style crank sprocket.
35
FAQ/Tech Tips/Please Read First / Re: Drum brakes On 1997 TD MK3 AAZ (canada)
« Last post by Fasteddy83 on October 09, 2024, 11:32:48 am »
also before i forget i couldnt find Gti brakes that would work with the one piece molded calipers (non sliding) which is what i have, so i just ordered solid rotors (239mmx12mm), but i couldnt figure out which brake pads to pair with them,

sorry for all the questions, ive been doing a ton of research for a couple weeks and still have a hard time finding some of the parts for this car, i assume its because its the Mexican version ? 97 Mk3 TD Jetta GL it seems like its a frankenstein of different models or eras

Cheers
36
FAQ/Tech Tips/Please Read First / Re: Drum brakes On 1997 TD MK3 AAZ (canada)
« Last post by Fasteddy83 on October 09, 2024, 11:25:40 am »
Thanks for the reply, my next move is finding the correct wheel cylinders ? there seems to be multiple size bores ? what would you recommend its a 97 TD Jetta GL (mexican turbo diesel ..Not TDi) ive ordered the 200x40mm Rotors

i would go measure but im still in camp, (for another week) and dont have access, but hoping to have all the parts by the time i get home so i can do the install on days off



Thanks in advanced
37
IDI Engine / Re: 1.6td vs AAZ in a 1982 Vanagon
« Last post by RabbitJockey on October 09, 2024, 08:32:46 am »
Also, i thought i recognized your username Aivars. I am Travis who drove from the USA and bought two aaz engines from you about 10 years ago. I hope you're doing well.
38
IDI Engine / Re: IP pump Id
« Last post by RabbitJockey on October 09, 2024, 08:31:43 am »
Its possible that it's gummy, I bought one that had sat for about 4 years and the governor weights were stuck in it. it was an easy fix. I still have this pump if you'd like to buy it. I ran it until 2017 when the engine failed, then it sat in the car with fuel in it until about 1-2 years ago, since then it's been stored in my garage, it has a vanagon-style throttle lever on it
39
IDI Engine / Re: 1.6td vs AAZ in a 1982 Vanagon
« Last post by RabbitJockey on October 09, 2024, 08:27:24 am »
aaz has two weak points that are easily resolved. one is the crank sprocket, you can have your crank machined to work with a tdi crank sprocket to resolve this. I also think if you used older vbelt accessories or a clutched alternator then you won't have an issue as long as you install a new bolt and torque to spec properly. Most important thing here is to install a new bolt and torque it to spec properly because who knows what the last person did.

They also seem to break main caps. I do not have all the knowledge on this but i believe certain years of the aaz had different or shorter main bolts which causes this issue. This is easily resolved by using ARP main studs.

otherwise it's basically the same as a 1.6 but with more displacement and more power.
40
IDI Engine / Re: 1.6td vs AAZ in a 1982 Vanagon
« Last post by fatmobile on October 08, 2024, 11:21:04 pm »
The AAZ isn't much different than the 1.6.
 Both are IDI and have external waterpump, along with intermediate shafts that run the oil and vacuum pumps.

 The vanagon is a pretty big vehicle and the extra power of the 1.9 would make it more driveable.
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