the return lines are not the metal ones *to* the injectors.
and i don't think there'd be any cause to worry about an engine
cleaner damaging a metal line, since metal is what most of the engine is
made of.
cheers!
e
On 31/Dec/14 13:04, Andrew Strasfogel wrote:
You mean the bent metal lines to the injectors? Or the flexible
rubber/cloth lines between each injector?
On Wed, Dec 31, 2014 at 3:21 PM, ernest breakfield via Mercedes
<mercedes@okiebenz.com <mailto:mercedes@okiebenz.com>> wrote:
be careful what you "clean the engine" with; the stock return
lines are pretty easily destroyed by many engine degreasers and
cleaners.
i didn't see how long it's been since you replaced the ones
that are in there, but frankly, i'd just replace the return lines
all with known new good lines; it's the quickest/cheapest/easiest
possible solution, and on the off chance that it doesn't solve the
problem it's the easiest way to eliminate them as a possibility of
the cause of the leak.
cheers!
e
On 26/Dec/14 19:36, Andrew Strasfogel via Mercedes wrote:
Great input - thanks. Clearly, I need to clean the engine and
watch for
the fuel to appear. The cloth injector lines are pristine; in
every other
case of leaky lines they were saturated (dark colored). Mine
are still dry
and white from one end to the other.
This is a CA version 1985 300TD - could that have something to
do with it?
On Fri, Dec 26, 2014 at 9:38 PM, Curly McLain via Mercedes <
mercedes@okiebenz.com <mailto:mercedes@okiebenz.com>> wrote:
If you don't have any luck with the return lines as other
suggested and you
go for replacement, then replace all the injectors. Or
better yet, have
them rebuilt by someone competent.
But avoid those Indian bosch rebuilds, they're really
horrible. I just
confirmed this in a 240D I bought a few weeks ago...
the car ran very
poorly, nailing and knocking. The injectors looked
recently installed as
they were very clean. They tested ok on the pop
tester, but I rebuilt them
with new nozzles anyway. Huge improvement.
Good luck,
Jaime
I've seen compression leaks when the nozzle seal/heat
shield is not seated
properly, and leaks from the lines and from the return
hose, but never from
the body of an injector. If the nozzles and nozzle
holders are un-fiddled
with, then you are looking at hoses as the most likely
source of the leak,
(99%) If someone has recently fiddled with the Nozzle
holders, the they
may not have been assembled correctly and could be leaking.
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