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Re: 1995 Vandura Toolset
namezero111111 #779674 July 29th 2021 1:36 am
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GM went to metric bolts on new body designs starting with the downsized 1977 cars, yes. But the engines continued to use SAE, again until they were redesigned.

The van body was largely unchanged from 1971-1996 and retains standard fasteners for body bolts. Some metric stuff begins to appear in the dash when they change to the last style about 1983, so they're mostly smaller fasteners.

So if you have an SAE toolkit and throw in a set of 5-14mm sockets you should be able to handle almost anything on there. There are some Torx screws also, 10, 15, 20 will handle most of those.

Conversions seem to use whatever the conversion outfitter had handy at the time.

Last edited by pontiac59; July 29th 2021 1:37 am.

1994 G20
2002 Express, sitting dead
1988 G20 conversion, stored
Re: 1995 Vandura Toolset
pontiac59 #779712 July 29th 2021 3:04 pm
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Originally Posted by pontiac59
GM went to metric bolts on new body designs starting with the downsized 1977 cars, yes. But the engines continued to use SAE, again until they were redesigned.

The van body was largely unchanged from 1971-1996 and retains standard fasteners for body bolts. Some metric stuff begins to appear in the dash when they change to the last style about 1983, so they're mostly smaller fasteners.

So if you have an SAE toolkit and throw in a set of 5-14mm sockets you should be able to handle almost anything on there. There are some Torx screws also, 10, 15, 20 will handle most of those.

Conversions seem to use whatever the conversion outfitter had handy at the time.

Makes perfect sense. I tend to start with SAE on the old stuff and grab a metric if needed. The Torx is a good tip too, I always seem to be missing mine when I need them the most.


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Re: 1995 Vandura Toolset
namezero111111 #780375 August 11th 2021 7:20 am
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I have tinkered around over the last few weeks and can confirm that the original parts are metric. Here and there a bolt was replaced that then doesn't quite fit metric, so I suspect a mechanic used whatever was available then.
This confirms that GM switched over much earlier I guess.

Thank you :}

Re: 1995 Vandura Toolset
namezero111111 #780388 August 11th 2021 1:16 pm
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My 93 is a mish-mash of SAE and Metric. It drives me nuts. lol


Nate Breece
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1993 Chevy G20
2012 Hyundai Santa Fe
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