Slant Six Forum :: Intake Manifold Hole

You stand better odds of a successful cleanup if you will apply vacuum to the diaphragm and keep it applied during the soak, or at least apply vacuum periodically to move the valve off its seat and allow the cleaner to reach the crevices. Also check to make sure the diaphragm actually holds vacuum.

What do you have in the way of service manuals? You may want to pick up the three books described in this post.

Thanks for the chemdip safety pointers. I used to have a can of this stuff until it was moving time, and remember it being very serious.

Vacuum retention on the diaphragm seems OK, yet is hard to tell with the makeshif hand vacuum pump (actually a siphon pump) i rigged up. I have a decent set of tools, yet am missing items such as a torque wrench (!) and what i assume would be some sort of handheld vacuum pump

Author:	Sonic Purity [ Fri May 04, 2007 2:15 pm ]
Post subject:	Re: Thanks and Followup Questions
Thanks for the chemdip safety pointers. I used to have a can of this stuff until it was moving time, and remember it being very serious. I mainly did not know the correct name for it. Quote: You stand better odds of a successful cleanup if you will apply vacuum to the diaphragm and keep it applied during the soak, or at least apply vacuum periodically to move the valve off its seat and allow the cleaner to reach the crevices. Also check to make sure the diaphragm actually holds vacuum. What do you have in the way of service manuals? You may want to pick up the three books described in this post. I have the factory service manual and parts manual. Just ordered the Stockel and Petersenâ€™s booksâ€”thanks. Vacuum retention on the diaphragm seems OK, yet is hard to tell with the makeshif hand vacuum pump (actually a siphon pump) i rigged up. I have a decent set of tools, yet am missing items such as a torque wrench (!) and what i assume would be some sort of handheld vacuum pump for testing the many automotive vacuum-operated diaphragms for leak-down. Just now i was not having any luck with a forum search to find any discussion of these tools (good ones, ones to avoid, etc.). If anyone can point me to existing threads on these sorts of tool topics, i will be most appreciative. Otherwise, iâ€™ll post my Qs in the Other forum, so this thread does not spiral out of control too far off-topic. Making progress, ))Nick((

Author:	SlantSixDan [ Fri May 04, 2007 3:10 pm ]
Post subject:	Re: Thanks and Followup Questions
Quote: Thanks for the chemdip safety pointers. I used to have a can of this stuff until it was moving time, and remember it being very serious. Yup...the other precaution that needs to be taken is safe and proper disposal. It is a very serious hazardous waste, not to be thrown in the trash, poured on the ground, down the drain/toilet/gutter, etc. It can be tough to find a place to get rid of it; some municipalities have programs wherein they periodically pick up paint, oil, cleaners, etc. If you haven't got such a program nearby, call your trash disposal company to find out what to do with it. Quote: Vacuum retention on the diaphragm seems OK, yet is hard to tell with the makeshif hand vacuum pump (actually a siphon pump) i rigged up. I have a decent set of tools, yet am missing items such as a torque wrench (!) and what i assume would be some sort of handheld vacuum pump Yup...a vacuum pump like this one or this one. It's a very useful tool for a vehicle such as yours, which has a great deal of vacuum-operated equipment.

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