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  #1  
Old 03-09-2003, 08:49 AM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 363
Water leaking out of w140

Car: 1993 500 SEL; 125,000 miles

Questions:
A) What is an Auxiliary water pump? Where is it?
B) What brand water pump should I buy?
C) Do you have directions on how to replace the pump, what else needs removed?
D) Where do I find the engine number?

Symptom: Water leaking. Noticeable by the large puddle under car and the two (2) gallons of fluid I have added in two days.

I'll get under the car today.

I'm thinking it is the water pump.

FastLane has offered several brands of pumps, at different prices.
1) Graf
2) Hepu
3) Laso

Comment: I will borrow a preasure tester free from local AutoZone today. See their web site for more info.
__________________
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 03-09-2003, 07:20 PM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 363
Water not coming water pump - but

The water doesn't seem to be coming from the main water pump.

It is dripping by a "small black plastic box" under the crank shaft.

Can some one identify what the black box is? It has a cable or something about 1//4 inch thick coming out the top.

There is a large water hose just above the black box. Is that where the auxiliary water pump is?

Thanks for the help.

Comment: As the car is sitting, nice and cool, the drip drip of water continues to drip out.
__________________
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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  #3  
Old 03-09-2003, 07:37 PM
DR.DIESEL's Avatar
Senior Member
 
Join Date: Mar 2003
Location: Puget Sound, Washington St.
Posts: 522
drippy drippy

The plastic box behind the harmonic balancer is the collection unit for when coolant starts wizzing out of the main water pump weap hole. the tube runs down from the water pump to the black box to avoid having coolant hit the belt or pulley.
You will need a water pump (engine).

DR.D
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  #4  
Old 03-10-2003, 06:52 AM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 363
Cool Thanks

Thanks for the comment.

I have taken the car to the local dealer for an unscheduled service call.
__________________
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
Reply With Quote
  #5  
Old 03-11-2003, 09:50 AM
tivoliman's Avatar
Happy with Mercedes
 
Join Date: Dec 2002
Location: New Jersey
Posts: 363
Dealer agreed

The dealer agreed - it's the water pump.
__________________
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
Reply With Quote
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