I encountered this loose vent problem with both of my drivable XJ6s
and have a good and long lasting technique to suggest.
I removed the dash top (crash roll) from the car, cleaned the vents
and surface of the top, placed the top face up across two small work
stands, applied a generous amount of silicone sealant to the back of
the plastic vents (avoiding getting near the edges) and around the
insides of the holes in the top, placed the vents in their proper
place and then suspended some small weights on bungee cord running
through the holes in the vents so that they were pulled down fully
into their proper location. Then I let that sit overnight. In the
morning the vents were permanently attached in place and I reinstalled
The only trick is to make sure that there is no silicone sealant
visible on the side of the vents were they fit into the top, or
visible when looking through the vent holes from the top.
After curing I turned the dash top over and applied some additional
silicone sealant between the vent and the top to make sure it is
really permanently in place. The location for the additional sealant
is obvious with the top upside down. Again, you don’t want any
sealant visible when complete.
I have found that with this technique, the vents lie absolutely flat,
and they will remain in place that way for a long time.
I like fixes that work, and I don’t like doing the same job over again
for a fix that doesn’t work.
This has worked for me and the first car I tried this on has lasted
for about 7 years now.
Paul M. Novak
1990 XJ-S Classic Collection convertible
1987 XJ6 Vanden Plas
1985 XJ6 Vanden Plas (parts)
1984 XJ6 Vanden Plas
1969 E-Type FHC
1957 MK VIII Saloon
@Paul_M_Novak1On Tue, Dec 14, 2010 at 8:52 PM, XKdreams email@example.com wrote:
I’m down to one flaw left before I have a virtually brand
new looking interior – the two plastic vent covers on the
dash (for the defroster).
How have you guys managed to get them to lie flat? Were
they originally curved to match the dash but have aged to
where they are entirely flat or were they always flat and
just held down into their indentions?
Having everything else finished, it quite annoys me to see
them sticking up while driving. Just curious how you’ve all
dealt with this.
The archives and FAQ will answer many queries on the XJ series…
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