Hey, call me crazy but I see no reason to use a higher pressure cap just because they don't feel like sourcing the old "100" or 1 bar cap. Actually I use a standard 7psi cap on my 84 300D. Take your cap to the nearest McParts store and pick out a matching cap in whatever rating you want. 7, 11, 13, etc. psi. I use the 7 psi as I see no reason to overstress a 20yr old cooling system and heater core with a 1.2 or a 1.4 bar cap. I've been running a 7psi cap for 6 months with no problems, overheating, etc. Runs the same temp it always has. RT

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84' Mercedes Benz 300D Anthracite/black, 171K
03' Volkswagen Jetta TDI blue/black, 93K
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