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Thread: Haynes online manuals doesn't include or I can't the fan control relay.

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  1. #1
    Join Date
    Jul 2012
    Posts
    3

    Default Haynes online manuals doesn't include or I can't the fan control relay.

    On my 2001 olds silhouette I can't find a radiator fan control relay, its not located in the fuse box located under the hood. The part number is R4005Z, in an effort solve the problem; coolant fans not switching to high but only operate at a low speed with the A/C on or off. Checked all other relays and fuses "good", I also replaced the sensor located near thermostat. Can you help out with any other areas to troubleshoot before I replace the dual coolant fan unit?

  2. #2
    Join Date
    Jan 2007
    Posts
    4,850

    Default

    Hi RocNB,

    There are three cooling fan relays, and they are located in the underhood fuse/relay box - look at illustration 4.2 in Chapter 3. I confirmed that with factory service information.

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