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The mkiv Supra Owners Club

Hose question when changing sparks


jackso11
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Changed my sparks at the weekend along with new coilpack connectors.

Anyone wanting to do this on an old supra like mine ('94) it is easy. The clips fall to pieces in your hands so getting the old ones off is simple. The new ones just click straight on, easy job.

 

However getting the coilpacks out, easy, putting them back in hard work!

Basically the 2 hoses that are about 3 inces long that go between the cam covers need to be removed to get the coil packs back on easily. My hoses are solid as they are old so I left them in place which makes for hard work.

 

So after my rant, question is...what kind of hose can they be replaced with? do I need original rubber hose from toyota? or can I use some kind of silicone hoses? I am talking about the 2 little hoses that go in the middle of the cam covers connecting them together.

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Do not use silicone hoses for those pipes. They will probably just collapse under vacuum.

 

I doubt it as theres no strength in the o/e hoses, i fitted new when i changed my coilpacks and the new ones are very soft and squashable.

 

Fitting new o/e is the way to go though as there moulded in a slight S shape.

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