Fig. 209: Manifold Port (Nipple) Repair
Courtesy of CHRYSLER LLC
The composite intake manifold vacuum ports can be repaired. Although, if the manifold plenum chamber is
damaged or cracked, the manifold must be replaced.
To repair a broken or damaged vacuum port on the composite intake manifold, perform the following
procedure:
1 - BRAKE BOOSTER PORT = 1/4"-18 NPT PIPE TAP
1 - LDP/SPEED CONTROL PORT = 1/8"-18 NPT PIPE TAP
2 - DRILL BIT = 7/16" BRAKE BOOSTER PORT
2 - DRILL BIT = 11/32" LDP/SPEED CONTROL PORT
3 - INTAKE MANIFOLD
NOTE:
While performing this procedure, avoid getting the manifold material residue
into the plenum chamber.
PARTS REQUIRED
TOOLS REQUIRED
Brass Port - 1/4" O.D. x 1/8" pipe thread
(LDP/Speed Control Port)
Pipe Tap - 1/8" - 18 NPT
Drill Bit - 11/32"
File/Sandpaper
Brass Port - 1/2" O.D. x 1/4" pipe thread (Brake
Booster Port)
Pipe Tap - 1/4" - 18 NPT
Drill Bit - 7/16"
File/Sandpaper
2010 Jeep Wrangler Sport
2010 ENGINE 3.8L - Service Information - Wrangler
viernes, 1 de octubre de 2021 05:18:32 p. m.
Page 172
© 2011 Mitchell Repair Information Company, LLC.
