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- - 1.4 vs 1.2 cap (http://www.peachparts.com/shopforum/tech-help/160348-1-4-vs-1-2-cap.html)

Rahulio1989300E

08-02-2006 06:39 PM

1.4 vs 1.2 cap

What is the worst that could happen when you use a 1.4 bar coolant cap instead of a 1.2 bar cap?

dpetryk

08-02-2006 07:00 PM

Spring a leak.

Jim Anderson

08-02-2006 07:13 PM

The worst

Split the plastic tanks off your radiator:eek:

Strife

08-02-2006 07:37 PM

The suggested replacement from MB is 1.4; I have used it with no ill effects, but I also have a 1.2 and I presently use it. You can still find 1.2's if you look around.

Mike Murrell

08-02-2006 08:01 PM

Ditto Strife.

Haven't seen a 1.2 in a while. All the caps I've purchased in the last 10 yrs. were 1.4.

That's all I've seen the dealers sell.

mbdoc

08-03-2006 08:17 AM

Unless there is a cooling system PROBLEM or leaking head gasket (internal) the 1.4 bar cap won't have ANY effect on the cooling system!

A normal(not overheating) Benz cooling system hardly ever builds even .8 bar pressure..

autozen

08-08-2006 10:35 PM

Quote:

Originally Posted by Rahulio1989300E (Post 1234736)

What is the worst that could happen when you use a 1.4 bar coolant cap instead of a 1.2 bar cap?

Actually caps aren't even rated in bar anymore. They are rated in kilapascals. The newest caps are 140 kilapascals.

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