Re: [Amc-list] vacuum wipers

[Tom Jennings <tomj@xxxxxxx>]

Victor the Cleaner wrote:
> It's been many years since I last attempted to mess with them, 
> so perhaps it's time to survey the collected wisdom.
> 
> First of all, what sort of vacuum should I be measuring on the
> fuel pump's wiper port?

Should be manifold worst case, with a good booster pump, I'd guess(*) 
around 16 - 20 InHg all the time.

(*) The TSM has a hilariously vague spec that says something like 
'sufficient' in it. It assumes you are fully conversant with the physics 
of the thing. We got a good guffaw out of that about a year ago.


> Second, how best to perk up a groggy wiper motor? 

Peter Stathes? Mac McCoy? rebuild them about $100/pop. I've done 
quickies on mine, OK if they're not too far gone. Complete disassembly, 
clean and lube. Vaseline is about right.

Everyone complains about them, but I like them better than electrics. 
Most of the complaints, as I see it, are based on the behavior of 40 - 
50 year old units which are of course worn out. Rebuilt or rejuvenated 
they're fine. You do have to have a booster pump else accelleration 
means no wiping. I've lived with that on my Classic for 20 years (I'm an 
idiot).
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