Hi Max,
I've never had my injectors serviced - what's involved? I hope
replacement is not the only solution?
Larry
Engine 602-962
On 01/26/2017 3:34 PM, Meade Dillon via Mercedes wrote:
The copper washers are one-time-use, so yes if you remove a DV, you need a
new copper washer. If you feel lucky, you could try softening them by
heating with a torch until they are glowing orange, then allowing them to
cool, and cleaning them off REALLY well before installing them.
Injector sudden failure: easily caused if the shop was not clean and
careful and allowed some contamination into the DV or the injector line.
That contamination then traveled to the injector nozzle and may be causing
a blockage or holding the nozzle open so it pees a stream instead of
generating a fine mist.
(I'm beginning to suspect that is what is causing the miss and nailing that
I've got going on with The White Whale, my 124.193 '87 wagon)
-------------
Max
Charleston SC
On Thu, Jan 26, 2017 at 3:11 PM, Larry Turner via Mercedes <
mercedes@okiebenz.com> wrote:
Max & Curley,
I can see why you would say an Injector might be bad, and I might tend to
agree, except it ran great before the shop replaced the o-rings. After I
replaced the GPs (and found the short I created) it started smoothly and
instantly every time. According to the shop and the invoice, they only
replaced the o-rings. When I took the DV's off I found a couple o-rings
broken. Also I may not have lubricated the new o-rings properly with oil
(I used kero) - could that be causing my problems?
I think I'll do the DVs one more time (with new o-rings) and put that
possibility out of my head. I'll do them one at a time as Curley just
explained.
Sound like a plan? Should I replace the copper washers again as well?
LarryT
On 01/26/2017 2:42 PM, Meade Dillon via Mercedes wrote:
Larry,
Did you also replace the copper washers for each delivery valve? If not,
you need to do that for all of them.
If you did, then I'll bet you've got a bad injector. Use the method Curly
described to isolate, and then you can try opening up and cleaning that
injector nozzle, maybe clear some junk that the shop allowed to
contaminate
the injector line. If you are getting close to 100k miles on the
injectors, it's probably time for new.
-------------
Max
Charleston SC
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