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  #1  
Old 06-01-2006, 10:51 PM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 367
Alternator - W140 - is it "easy"

Before I order the alternator - is it "easy"

Steps
1 - Disconnect battery
2 - Release belt (picture 1 - belt) - is it released by turning the "bolt"?
3 - Remove the alternator - do I just remove the bolts?

If that's all, I may be able to do this myself.

Alternator 143amp - Remanufactured Bosch IN STOCK $627.00 $283.01

Please assess the difficulty - I have many years experience, but I'm also getting more careless.

__________________
Thanks for the help
Bill Fisher

'86 560SL (186K) - Now a 'classic' : Registered as an Historic Vehicle
'95 E420 (198K)
'99 E320 (80K)
'03 LS430 (Lexus)
- - - - -
'95 E420 (231K) Sold to a happy buyer, new to Mercedes
'90 300E (65K) Sold to an Mercedes Lover
'92 190E (215K) - retired to the salvage yard, sigh
'93 500SEL (214K) - Moved to another family, still runs like a young pup
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  #2  
Old 06-01-2006, 11:29 PM
RAYMOND485
 
Join Date: May 2005
Location: CALIF
Posts: 508
Alternator

1984 300d Turbo 138k
Replace The Regulator 2 Small Screws Back Of Alternator. Order
From **************.com For Your 140 May Be $28.00 Guide Book, Tie Wrap, (brushes, Rgulator In One Unit) 1/2 Hr Diy Done
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  #3  
Old 06-02-2006, 06:30 AM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 367
I still ned to remove the Alternator, right?

If I just replace the voltage regulator - do I still need remove the alternator?

Is the voltage egulator replaced, "On the bench"?

Thanks
__________________
Thanks for the help
Bill Fisher

'86 560SL (186K) - Now a 'classic' : Registered as an Historic Vehicle
'95 E420 (198K)
'99 E320 (80K)
'03 LS430 (Lexus)
- - - - -
'95 E420 (231K) Sold to a happy buyer, new to Mercedes
'90 300E (65K) Sold to an Mercedes Lover
'92 190E (215K) - retired to the salvage yard, sigh
'93 500SEL (214K) - Moved to another family, still runs like a young pup
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  #4  
Old 06-11-2006, 05:44 PM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 367
Post for Other DIY's

the w140 alternator replacement was "easy" but it took me several hours.

No majot brain work, just labor

teh following are the steps I took, in a attempt of correct order.

To replace the alternator on a 140 (1993 500SEL)

1 - Disconnect the battery
2 - remove both the under carrage covers
3 - Remove both coolant hoses near the alternator
4 - remove the transmittion line to the radiator. Completly remove - both ends.
5 - Disconnect wires from back of alternator
6 - Loosen the serpentine belt - with teh tentioner - 17 mm wrenc and move tentioner, remove belt
7 - Remove two bolts that hold alternator in.
8 - With all wires disconnected, and hoses removed - the alternator can me wiggled out of the car.
9 - Remove the belt pully from the old alternator. Snce I didn't have a big vise to hld the old alternator - to remove the pulley, I jacked the car, placed the old alternatore under the tire, lowered the car just enough to "grabe the alternator". Thuis will hold the alternator - remove the pulley
10- As the say - replacement is the reverse of removal.

No rocket science, but not just pull and replace - the other stuff must be removed first.

If others have improvements to this list - please post.

I was going to replace the voltage reguklator on the old alternator - but didn't see how to do it . Hence I have an extra voltage regulator - yes I had purchasedboth an alternator and the voltage regulator. Just wanted to be "ready:.

Thanks for the help.


__________________
Thanks for the help
Bill Fisher

'86 560SL (186K) - Now a 'classic' : Registered as an Historic Vehicle
'95 E420 (198K)
'99 E320 (80K)
'03 LS430 (Lexus)
- - - - -
'95 E420 (231K) Sold to a happy buyer, new to Mercedes
'90 300E (65K) Sold to an Mercedes Lover
'92 190E (215K) - retired to the salvage yard, sigh
'93 500SEL (214K) - Moved to another family, still runs like a young pup
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