Volvo RWD 140-160 Forum

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HIF6 idle screw 140-160

Was getting my '68 144 with B18B out from winter storage. A year ago I replaced the HS6s with worn shafts with a pair of rebuilt HIF6s.

The idle was a bit high after taking choke off. Back HIF6 idle screw wouldn't move and was bit rusty. I sprayed it a few times with PB blaster. Worked it a bit back and forth with a nut driver. Should have took more time as the screw twisted off flush. (

I'm going to pull the carb off and see how much of the screw is sticking out the other side. I'm not thinking I have much hope in getting it out and think I will have to drill and tap it. If it gets to that should I use a fine metric tap? There is a spring hooked around the screw I assume to prevent the screw from moving. Looking for suggestions prior to taking the next step. I have never had much luck with an easy out and this screw is small.

Craig






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New HIF6 idle screw [140-160]
posted by  cef2lion  on Tue Apr 17 07:58 CST 2012 >


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