1.9 with gasoline boxer-4 1.9 L 59 HP engine (1982.10–1992.7)
+5°00'±1°00' - before TDC + after TDC
2.1 Syncro with gasoline boxer-4 2.1 L 110 HP engine (1986.3–1992.7)
-10°00' - before TDC + after TDC
All other modifications
-5°00'±1°00' - before TDC + after TDC
Increased idling speed
2500–2800 rpm2500–2800 rpm2500–2800 rpm
Lambda value
0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
expand_moreMaximum HC content at idling
2.1 Syncro with gasoline boxer-4 2.1 L 110 HP engine (1986.3–1992.7)
2500 ppm2500 ppm2500 ppm
2.1 Syncro with gasoline boxer-4 2.1 L 94 HP engine (1985.8–1992.7)
1100 ppm1100 ppm1100 ppm
2.1 with gasoline boxer-4 2.1 L 94 HP engine (1985.8–1992.7)
1100 ppm1100 ppm1100 ppm
All other modifications
2000 ppm2000 ppm2000 ppm
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Volkswagen.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1990 Volkswagen Transporter Box Van user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Volkswagen Transporter Box Van service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 1990 Volkswagen Transporter Box Van you're not only saving money, but also also improving your technical skills and learning something new.
1990 Volkswagen Transporter Box Van generations
In 1990 Volkswagen offered 2 generations of the Transporter Box Van. Emission may vary in different generations. Be sure that you are looking at the rigt modification.