11. Locate the Z1 Heater Hose Set, containing (2) two hoses, shown below in Figure 11. 12. Remove the OE Heater Hoses on the firewall, and replace them with the Z1 Heater Hoses according to Figure 11 above and Figure 12 below. Refill and bleed Coolant System in accordance with the Factory Service Manual. Figure 11 Figure 12. After a extensive search to find a diagram for the modified vaccum hose diagram for the NA, I have only been able to find the diagram for the tt. I brought my z with the eg and aiv.. Car: 1990 300ZX Twin Turbo Location: Boston MA. Re: NA modified vaccum hose diagram. Quote; Post by BigTDogg (MA) » Thu Feb 09, 2012 10:24 am. From here. Top.
You should not use SILICONE hose in high heat, fuel or oil transport, or off oily emissions areas like PCVs and other hoses coming off valve covers. At Boost Controller.com (black, red, or blue only) you can get the silicone hose kit listed for $59.46 shipped, $46.01 without 10mm items.. The hoses associated with the turbos are indicated in the squares at the top left and bottom right of the diagram. FYI, this can be found in the DOCS section of this site. Hope that helps. Follow Ups: Need help for turbo coolant hose located - jamespond24 00:42:08 04/30/05. Re: Need help for turbo coolant hose located - SpecNATT (Houston) 02:00.