I've always used the cap myself, but this is a nice solution. This would help during those times when you need the hatch open AND the engine running. Running the engine with the cap off can make a mess of things. 

Jim

On Nov 25, 2011, at 11:30 PM, Robert Fisher <garciasghostvw@GMAIL.COM> wrote:

> I just stick the oil or coolant cap in the hinge. Works just fine.
> 
> On Fri, Nov 25, 2011 at 8:16 PM, Tom Boldway <jboldway@hotmail.com> wrote:
> 
>> Tired of trying to keep the access door open when you check the coolant
>> level or change the oil? A simple $1.49 lock hinge solves the problem. Also
>> can keep the door open in the summer so the engine cools faster (and the
>> interior of the van doesn't get so hot)
>> http://www.pbase.com/spacecommander/image/139898508
>> http://www.pbase.com/spacecommander/image/139898510
>> http://www.pbase.com/spacecommander/image/139898510
>> 
> 
> 
> 
> 
> --
> Cya,
> Robert
> 
> '87 & '86 Auto GLs