[Vwdiesel] stripped tensioner bolt hole
Roger Brown
r.c.brown at ieee.org
Wed Apr 15 08:33:55 PDT 2015
A 3/8x16 (NC) tap should start out in the 8mm hole, 5/16" is the recommended starting hole
size for that. If it is a blind hole, try with a 3 piece tap set with the plug, taper and
bottom taps in succession. And see if you have a socket that fits over the end of the tap
(like a 12-point style) and then you can run the tap in with a ratchet if there is no room
to swing a regular tap wrench.
On 4/15/2015 8:24 AM, Rolf Pechukas wrote:
> yeah, that's the problem, no room to work without removing the entire arm (big job)
> going to try to work a tap in there and fit a 3/8" replacement bolt (!)
>
>
> On 4/14/15 5:29 PM, Gunny wrote:
>>
>> If you have the room install a keen cert an use the stock bolt
>>
>> On Apr 14, 2015 12:40 PM, "Rolf Pechukas" <rbp at 4u2bu.org <mailto:rbp at 4u2bu.org>> wrote:
>>
>> hi all
>>
>> 2001 Golf TDi [ALH]
>>
>> trying to re-install serpentine belt tensioner after an alternator
>> replacement
>>
>> 2 bolts are good (the 2 shorties), but the long one won't snug up
>>
>> stripped threads in the aluminum carrier arm
>>
>> (not sure how this happened - garage recently serviced serp belt -
>> someone may have used an impact wrench? I'm always very gingerly
>> around aluminum, ever since my son and I had to put steel inserts
>> in the block of his '97 Z3 b/c the head bolts wouldn't torque)
>>
>> thoughts? tap for larger bolt? other ideas?
>>
>> aluminum sucks
>>
>> thanks
>>
>> Rolf in MA
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>
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