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Joined: 23/07/2024(UTC) Posts: 2 ![Australia]( "Australia") Location: Rockhampton Thanks: 1 times
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Does anyone have a diagram of the vacuum advance for the HZ 253 and its components. I have a broken switch I need to replace that has been previously bypassed by someone that i now wish to replace.
I appears to be made up of several units.
* TVS unit in front left side of manifold. 3 ports. D Distributor vacuum, M Manifold vacuum, P Ported vacuum.
* Vacuum diaphragm on Distributor. 1 in
* Electrical vacuum solenoid. 1 inlet & 2 outlet
* Backflow valve. 1 in 1 out
I'm looking for a diagram of the vacuum hoses.
Any help would be appreciated.
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Rank: Veteran
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Is it an auto or manual? Manual doesn't use one of the vacuum switches as its for the EGR valve which is blanked. When I get time I'll scan the parts catalogue pictures, but might take a while as its a head-fRGk to pull the books apart to make the scan-able. The Gregory's (Scientific Publications) HX-HZ V8 books have good info on how this all connects together as well. |
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I think this is the diagram Yel327 is referring to, I happen to have it on file, hope this helps Cheers Kev 
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 1 user thanked kevrev for this useful post.
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