Jaguar XJS Fuel Tank Vent Issues - EVERYTHING you need to know to fix! Coupe, Cab, H&E, Conv, etc.

Parts Links and More Details Within! Click to Expand Video Description.

Today we are focusing on the Jaguar XJS Fuel Tank Vent systems. Below you will find any additional or post-video updates, as well as links to parts or tools as applicable.

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Additional Info:

- Note that in the video audio I noted the Hess & Eisenhardt cars used cut down Coupe tanks. However, as I learned more, I realized it was very clear the H&E cars had to start life as built or partial built XJSC (Cabirolet models) - it would be easier to adapt a hood (top) to that design than cut up a coupe. As a result, they probably used cut-down Cabriolet style tanks.

- If you have more info, post a comment, and I will update here as text fits!

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Parts and Tool Links:

Note that here at Vortex Garage I do not get paid to promote any products. However as an Amazon Affiliate, I may get a small commission on any links used below to Amazon products. Know however, that I will only link to products I have personally used, or would use as a substitute for things no longer in stock. Links to any other sites are not affiliate links.

Rochester Valve Alternatives to CBC7714:

Original Part / Jaguar CBC7714:
https://parts.jaguarlandroverclassic....

Alternatives:

1 - ACDelco 214-552 - https://amzn.to/46d9tL1

2 - Standard Motor Products CP112 - https://amzn.to/4d42Qgp

3 - Dorman 994-093 - https://amzn.to/3WqVJJq

4 - NAPA: CRB 228037 - https://www.napaonline.com/en/p/CRB22...

5 - Autozone: Duralast PV132 - https://www.autozone.com/emission-con...

6 - WVE 2M1005 - https://www.rockauto.com/en/moreinfo....

FUEL / PCV / Vapor Line Hose: -

Note that you can buy smaller lengths at your local parts store. I buy the spools when possible as you will use these for many other applications and will save in bulk!

Vacuum Source:
Note: I believe I used 5/32 vacuum line which I will link, but also think 3/16 will work fairly universal on this task. It's not bad to pick up an assortment. Also, there are lots of "silicone" vacuum hoses on Amazon, they seem to work fine, but are thicker than rubber line. I'd recommend rubber for this purpose to avoid drilling a larger hole if passing through a bulkhead.

5/32" (What I used) - Gates 27042 - https://amzn.to/4cAzd6x
3/16" (May also work) - Gates-27312 - https://amzn.to/4bMmX1u

Evap Lines to Canister:
1/4" Fuel / Emissions Hose:
Gates 27002 - https://amzn.to/3ScsMOG
Alt: EVIL ENERGY 1/4 Inch Fuel Line - https://amzn.to/3Wb5BWe

5/16" Fuel / Emissions Hose:
Gates Fuel Line Hose | 5/16 Inches x 25 Feet | PVC/EEC - https://amzn.to/3W8x6jt
Alt: Dayco 80060 5/16 Fuel Line - https://amzn.to/4eZaN8i
Alt2: EVIL ENERGY 5/16 Fuel Hose - https://amzn.to/4f7ZOJN

UNIONS and T FITTINGS:

Vac / Union and T Fitting assortment:
121 PCS 14 Sizes Vacuum Connector Assortment Automotive Vacuum Tubing Connector Vacuum Tee Connector Assortment Kit - https://amzn.to/3WtbJuB

Brass Unions -
One of each needed - this is an upgrade to the plastic unions I used in the kit linked above. Note that you will still need the kit above or a similar 3/16 T fitting for the vacuum line.

1/4 to 5/16:
Opt1: https://amzn.to/4cOWB0b
Opt2: https://amzn.to/3zFi50M

1/4 to 1/4:
Opt1: https://amzn.to/4d266c8
Opt2: https://amzn.to/4cGBpta



Fuel Filters:

Universal Fuel Filter Barbed 2 Pack (clear for 1/4-Inch, 5/16-Inch Fuel Line)
(Allows you to cut the end for both hose sizes! This is a two pack)
https://amzn.to/3Wtc5kV


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Links / Attribution:

- Weshent Tank Infographic: https://explor.welshent.com/kb/kb646/

- Jaguar Classic Parts for diagrams: https://parts.jaguarlandroverclassic....

- Car and Driver - 1986 Jaguar XJ-SC Cabriolet: Golden-Year Grand Touring: https://www.caranddriver.com/reviews/...

- Bring-A-Trailer - 13k-Mile 1988 Jaguar XJ-S Hess & Eisenhardt Convertible V12: https://bringatrailer.com/listing/198...

00:00 Introduction
01:28 Fuel Tank Venting Basics / Information
03:10 Jag Vent Setups and RECALL Info
04:25 Rochester Valve and Part Number Alternatives
06:29 Where is the Rochester Valve / Recall Located?
08:20 Tank Variations - Coupe
11:02 Tank Variations - Cabriolet
11:40 Tank Variations - Hess and Eisenhardt Convertible
13:04 Tank Variations - Jag Convertible
16:23 Our Fix: Boot view
17:23 Our Fix: Vent setup under car / identifying issue
20:40 Our Fix: Testing the original check valve / removing it
23:05 Installing the Rochester Valve
27:23 Fixed! Closeout with fix notes, filters, and solenoid discussion