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Old 01-25-2016, 06:01 PM
Hendo Hendo is offline
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Default Pull and service injectors based on age, or only for cause?

The injectors in my non-turbo '82 245 have never been out of the engine since they were installed 107k miles and 34 years ago.

Car runs fairly well; no obvious issues. They seem a bit noisier than other diesel's I've listened too (mostly Mercedes) but I am not an expert by any means.

The car smokes some, especially on acceleration. It is a little cold-blooded but I doubt that is an injector issue. Pump was overhauled last Fall so it should be in good shape and properly timed to the engine.

I can't help thinking they would benefit from being pulled and overhauled, or at least having the pop pressure checked and look at the spray-pattern/nozzle condition.

What do you more experienced folks think... a waste of money (I'd be paying a shop to R&R and send out for overhaul) or would it have some benefit?

Thanks in advance for your thoughts!

-Tom in SoCal
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Old 01-25-2016, 07:24 PM
anders anders is offline
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Default

If the injectors are worn/leaky they can cause more difficult starting/ rough running and smoke.
That being said the nozzles are probably better then what you can get from Bosch now.., I haven't been too thrilled with the made in India nozzles that Bosch now manufactures.

I have been trying different vendors/manufactures of injector nozzles. I have found a new outfit that sells performance nozzles Aka "GTD" nozzles. I have yet to run them or spray pattern test them but they seem to be of high quality more of the likes of the made in France Bosch stuff.

Can you post a video of cold start and running at operating temp?
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Old 01-28-2016, 06:15 AM
Hendo Hendo is offline
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Thanks Anders.

I'm going to leave them in for the time being....

I was mostly curious what the collective wisdom was about overhauling based just on time or mileage, rather than wait for a problem.

-Tom in So Cal
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