Help with no power from the start... Turbo maybe???

1984 300d Turbo 136k
Check The Egr Valve, Remove The Two Bolts And One Bolt Clamp, Its
On Top Front Engine With Vacuum Connector Right Side, Use Carbon
Cleaner And Move Valve With Hand Vacuum Pump The One I Had Was Sticking And Binding, Hand Vacuum Would Ckeck Ok, It Would Close
At A Fuel Stop Then Stick Open After A 1/2 Mile And Lose Power Maybe The Heat From Engine, Clean The Valve And Like New Mercedes

Check for "ALDA adjustment" and "banjo bolt"

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

Not sure what banjo bolt is, can alda adj. by the DIY type/

the banjo bolt on the om617 engines is located on the intake manifold on the rear by the firewall you can trace the line from the alda to the banjo bolt on the manifold


beliv eme when i got my 300D i thought the turbo was crap because the p/o said so.. nope i checked the turbo for shaft play and spin and its in good shape.. just adjusted the alda and cleaned the banjo bolts.. and its better than ever

Hey thanks for the help cleaned the banjo bolt it looked ok. The car runs great it just feels a little slow from the start. It might just be me i have only had the car for about three mounths. I will look into the alda adjustment some more not to sure about it yet. thanks again

I had a similiar situation with my 83 300 CD. I had no power from the start till the turbo kicked in which improved speed but still not right. Stumbled on the problem quite by accident. Had a small leak in the injection pump and took it to a MB mechanic for repair. After repairing leak he "timed" the engine which is done thur the injection pump. What a difference!! Now I'm not afraid to quickly pull out into traffic anymore!!! Just thought I would pass info along as it could be your problem.