Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 03-04-2005, 02:07 PM
Nate Stanley's Avatar
Registered User
 
Join Date: Jul 2000
Location: Watsonville, Ca
Posts: 399
1979 300D chattering starter when hot

We’re having problems on our ‘79 300D with the starter cutting out intermittently, usually when the engine is warm. When the engine is cold, there is usually no problem firing the engine.

When warm, you can feel the starter kick in and out while the engine cranks, and it’s murder on the bendix drive, not to mention the ring gear.

What we’ve done:

1: New Battery
2: New starter, noticed the Bendix drive gear was really loose on the old starter shaft, probably as a result of the chatter problem.
3: checked & cleaned ground straps from battery to body, and body to transmission.


When the car is hot, the best way to get the starter to crank is to jiggle the keyswitch while turning the key, but that also doesn’t guarantee a hot start. Sometimes moving the turn signal stalk during cranking helps to complete the circuit.

I have a new keyswitch ready to install, but I have a sneaking suspicion that there’s more to this, since I also hear a clicking noise behind the dash while the starter circuit is energized.

What makes this more difficult is that there is no way to jump start the car like there is with on my '84, which has a terminal block on the passenger side fenderwell, the '79 does not have that feature.


Has anyone had this problem?

Is there another relay I should check that lives behind the instrument cluster?

Is there another ground strap under the dash that needs checking?

The Haynes manual mentions for the 123.130 body an A/C / Starter relay, but I don’t know what its function is—(item 38 on the wiring diagram)

Thanks in advance for any help, I just want this car to be running right this weekend.

Thanks to All,

__________________
Nate Stanley
(Currently Benzless)
1985 F-250 6.9l 170K
2009 SCION XB 36.5K
2003 LS430 78K
2012 Kubota B 2320
Reply With Quote
  #2  
Old 03-04-2005, 02:22 PM
billrei's Avatar
W109, Floating on air!!
 
Join Date: Jan 2005
Location: Goleta, CA
Posts: 556
How much cranking do you have to do to get it started when warm? My 300TD motor starts almost instanteously (after a short glow) when warm I don't think the starter would have time to kick in and out. Are you sure your problem isn't a warm engine problem rather than a warm starter problem?
__________________
Bill Reimels
Now down to one:
1972 300SE 3.5 W109 (Euro delivery)
Reply With Quote
  #3  
Old 03-04-2005, 02:39 PM
Nate Stanley's Avatar
Registered User
 
Join Date: Jul 2000
Location: Watsonville, Ca
Posts: 399
Billrei,
the engine will fire right away when warm, IF the electrical circuit to the starter will stay energized.

This is an electrical issue only, the car runs like a swiss watch once it gets going, NO fuel delivery problems at all.

__________________
Nate Stanley
(Currently Benzless)
1985 F-250 6.9l 170K
2009 SCION XB 36.5K
2003 LS430 78K
2012 Kubota B 2320
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
1976 W115 300D motor into 1979 W123 300D sebtowne114 Diesel Discussion 5 04-14-2005 07:26 AM
1979 300D Transmission dokhans Diesel Discussion 0 07-07-2004 06:00 PM
FS: 1979 300D Complete Driveshaft brandoncrone Mercedes-Benz Cars For Sale 0 09-25-2003 04:17 PM
W116 Dead Hot Starter Mystery Hisham Tech Help 13 09-04-2000 04:34 AM
300D 124 kinda running hot francis Tech Help 4 07-23-2000 08:21 AM



All times are GMT -4. The time now is 10:56 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2024 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page