• Advertisement
Xclusively Jaguar
SNG Barratt
David Marks Garages
Make a donation to XJ40.com

Intake manifold plug question

Lightweight
Posts: 10
Joined: Sat Dec 16, 2017 3:07 am

Intake manifold plug question

Postby Lightweight » Sun Apr 15, 2018 9:12 pm

On the underside of the left intake manifold (left-hand drive) two of the three hose ports are blocked. However how should they be blocked off? Is there a plug that goes directly into the manifold or should the barbed hose connectors be capped off?
I purchased two intake plugs thinking they are for this purpose but there is no way to fit them as far as I can see.
They are small solid aluminum discs probably 4mm thick.
Thanks
1994 XJ81
Salt Lake City, Utah.

naki_k
Super Moderator
Posts: 27159
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Intake manifold plug question

Postby naki_k » Sun Apr 15, 2018 11:26 pm

Yes they should be capped off. They perish from the heat over time and fall off.

The part you need is
EBC80043
Still available new from main dealers.

Though a short section of rubber hose with a bolt in the end will do the same job (even if it’s temporary).
You may find a past owner as adjusted the air valve to compensate for the air leak through these lost caps? I have seen it happen a number of times.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 3.2 XJ6 SportPack Manual
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6
93 6.0 XJ81 XJ12
94 4.0 XJR
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300

Lightweight
Posts: 10
Joined: Sat Dec 16, 2017 3:07 am

Re: Intake manifold plug question

Postby Lightweight » Sun Apr 15, 2018 11:51 pm

Perfect, thank you.
One more order for SNG Barrett. Wonder what else I can find to order this time! Spending a fortune with them.
1994 XJ81
Salt Lake City, Utah.

naki_k
Super Moderator
Posts: 27159
Joined: Sun Feb 21, 2010 9:25 pm
Location: Kirton, nr Boston, Lincolnshire

Re: Intake manifold plug question

Postby naki_k » Mon Apr 16, 2018 6:25 pm

Lightweight wrote:Perfect, thank you.
One more order for SNG Barrett. Wonder what else I can find to order this time! Spending a fortune with them.


There’s always something else,
If you know how to browse imaginatively.

O-rings, clips, screws, washers, oil filters...,,
Plenty of sundry items can be added to bulk out the order.
88 3.6 XJ6 PDH/CEM
90 Range Rover Vogue SE 3.9 V8 LPG
91 3.2 XJ6 SportPack Manual
91 4.0 XJ6 Manual
92 4.0 XJR Manual
92 4.0 XJR
93 3.2s - 4.0 Manual conv
93 4.0 Sovereign
93 6.0 XJ81 DD6
93 6.0 XJ81 XJ12
94 4.0 XJR
96 4.0 X306 XJR
96 4.0 X300 D6
97 4.0 X300 Sport Manual
2000 LR Discovery ES TD5 A
Breaking 40/ 300


Return to “XJ-81”

Who is online

Users browsing this forum: No registered users and 1 guest