Oil Bypass Valve
1 Attachment(s)
I'm in the middle of a head gasket job and decided to remove the front cover to replace the oil pump and timing gears/chain.
I removed the retaining clips and managed to get the caps out but discovered one side is complete with the spring and valve but the other side was missing the valve and spacer. (See attached picture) Why the hell would someone have left out those parts and where can I purchase them other than the dealer? Also I don't see any detail of the oil bypass components in the RAVE, am I missing it? Thanks 2003 Discovery 2 ~120k miles |
I've not had mine apart, but I think I remember reading that one side does not have the valve, so you're fine. Others should be able to confirm.
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From Full Rave D1 Section 4.0 & 4.6 litre V8 ENGINE OH manual:
13. Oil pressure by-pass valve assembly 14. Oil pressure relief valve assembly - if fitted The full flow lubrication system uses a gear type oil pump driven from the crankshaft. The assembly is integral with the timing cover which also carries the full flow oil filter, oil pressure switch, oil pressure by-pass valve and oil pressure relief valve - if fitted. Oil pressure by-pass valve - inspection 1. Clean by-pass valve components and plunger bore in timing cover. 2. Check plunger and bore for scoring and that plunger slides freely in bore with no perceptible side movement. 3. Check by-pass valve spring for damage and distortion; check spring free length: Spring free length = 60.0 mm (2.4 in). ...... |
There’s only one spring and cup assembly in the cover
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1 Attachment(s)
Thanks for the feedback!
I had referenced the attached picture which showed a valve on both sides. i will pick up a package of (25) 19 mm x 1.5 mm Viton O-rings from McMaster Carr (PN 9263K852). I'll have 23 extra if anyone needs them. |
I'll have 23 extra if anyone needs them. ...... |
A Big Thanks
old gold sent me several o-rings and they showed up in my today's mail.
thank you old gold |
Originally Posted by old gold
(Post 630946)
Thanks for the feedback!
I had referenced the attached picture which showed a valve on both sides. For what it's worth, my 2003 had valves and springs exactly as pictured here when I tore it down. And when I put it back together, of course. 2003 Disco 2 with v8, no oil cooler. |
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