PeachParts Mercedes-Benz Forum - View Single Post - Reringing while replacing the head good or bad?

whunter · #10 02-03-2014, 11:00 PM

Quote:

Originally Posted by benzdude42

I'm thinking its a wrist pin honestly.

The noise is worst at cold start, better when warm and sometimes gone after getting off the freeway.

Changes pitch depending on if I let it warm up or if I just take off.

I'm wanting to get in there and see if the piston is lose.

From the bottom half everything looks great.

I've rebuilt injectors and timed the pump.

Starts when 10 below.

No one can figure it out.

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I strongly suspect you have a combination of:
* Cold injector nailing.
* Fuel delivery (to the injection pump body) pressure LOW.
* Seriously bad fuel quality.

Injector + Heat shield + Nozzle, Prechamber + Collar, and Nailing. LINK THREAD
http://www.peachparts.com/shopforum/diesel-discussion/211750-injector-heat-shield-nozzle-prechamber-collar-nailing-link-thread.html

Diesel Fuel Delivery:
http://www.peachparts.com/shopforum/diy-links-parts-category/142399-fuel-delivery.html

Fuel pressure problem solved '80 300SD
http://www.peachparts.com/shopforum/diesel-discussion/333779-fuel-pressure-problem-solved-80-300sd.html

Strong nailing
Strong nailing - PeachParts Mercedes ShopForum

Fuel injection pump starvation with a good lift pump
Fuel injection pump starvation with a good lift pump - PeachParts Mercedes ShopForum

Fuel pressure relief valve adjustment
Fuel pressure relief valve adjustment - PeachParts Mercedes ShopForum

lift pump test
1979 300td -- Can anybody walk me through a lift pump test? - PeachParts Mercedes ShopForum

fuel pressure
fuel pressure - PeachParts Mercedes ShopForum

great internal injection pump pictures
http://www.peachparts.com/shopforum/diesel-discussion/300531-injection-pump-sluggish.html#post2738138

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