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Date:         Mon, 1 Aug 1994 15:11:18 -0400 (EDT)
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         "Dr. D.W. Carment" <carment@mcmail.cis.mcmaster.ca>
Subject:      Vangon Fan Housing

Has anyone out there had any experience in removing an air cooled Vanagon fan housing with the engine in the vehicle? I have had experience installing the engine and all its components so am relatively familiar with the attachment points and labour involved. My concern is not having to drop the engine to remove/examine the oil cooler. Presumeably the fan housing must also be removed to get at the cooler.

The engine has an aux oil cooler with electric fan but oil pressure will not exceed 30 psi at speed when hot (air temp 78 F). This was even lower without the aux cooler. The pump and main bearings check out ok (75 psi at startup) so I am left with the possibility that the oil cooler is blocked.- do they "wear out" like radiators?... The filter is mounted on a remote adapter so this may also create some problems. JCW says that special oil bypass valves are necessary when using remotely located filters....why?

Let me know if you have performed the r/r task and if it is a) impossible, b) possible with some difficulty or c) not difficult but time consuming.

Thanks in advance - PS I am thinking of installing a grooved oil bypass relief valve and an oil pressure adjuster to boost pressure if the oil cooler is not the problem- any ideas/experience?

Thanks in advance....DC


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