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Randall C
Randall C, ASE MasterTechnician
Category: Ford
Satisfied Customers: 12744
Experience:  35 years ASE Master Tech, Diagnostic , Electrical Specialist
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remove & replace the stock block heater on 99 7.3 powerstroke ?

Resolved Question:

how do you remove & replace the stock block heater on 99 7.3 powerstroke ?
Submitted: 6 years ago.
Category: Ford
Expert:  Randall C replied 6 years ago.
Hello, The block heater is located just above oil filter if you do not know location. Below shoes /explains.

Removal

  1. Drain the cooling system.
  2. Raise and support the vehicle.



  1. Disconnect the electrical connector from the block heater.



  1. Remove the block heater from the oil cooler rear header.

Installation

  1. Follow the removal procedure in reverse order.

Customer: replied 6 years ago.
do you need to drain the anti-freeze first ?
Expert:  Randall C replied 6 years ago.
Yes,,otherwise you will get a bit wet.:( It screws into a water jacket
Customer: replied 6 years ago.

is there enough room or is there anything that needs to be dis-asembled to complete this job ? If i drain the anti-freeze from the radiator petcock is that sufficient ?

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Expert:  Randall C replied 6 years ago.
Nothing really to move. It is just above oil filter so its not too bad to access. You can drain from petcok but allow good time to drain. In all cases you will not drain all the water from block so when you unscrew block heater, unscrw slow and just be ready for some? cooalnd to drain out from where it screws in
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