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Old 08-10-2021, 12:13 PM
DailyBeater99 DailyBeater99 is offline
my little money pit
Join Date: Jan 2021
Posts: 24
Default Re: 2002 Mazda B4000 EGR Tube disconnected from Exhaust Manifold - Help

Originally Posted by kiallowski View Post
I have another concern! Will it be fairly ďeasyĒ for the mechanics to take off the old exhaust manifold and install the new one without having to disconnect other parts around the EGR System? Like the engine, etc. Iíve read, at least for other cars and trucks, that mechanics have to drop the engine and stuff to install a new Exhaust Manifold. I was looking from the top of the engine and underneath where the EM is connected to the Catalytic Converter, and saw where they could could work through some openings. Iím sure with extra long tools, they could be able to maneuver around and install the new manifold after a few hours hopefully. Any thoughts?

Also, will these nuts and studs fit the Exhaust Manifold I bought?

It's possible to replace the manifolds in the truck. Only difficulty is when the bolts break and they have to use the torch to heat up the manifold to get them out... It would certainly be easier if the motor was out, but not necessary by any means.

And not sure about those bolts... Rockauto didn't have anything for my 99. I have 6 on each manifold, yet that link you included has 10. Not sure if the bolt size and thread pitch changed or not. Haven't even gotten to the point of measuring mine yet. Was just going to run to a local bolt company when I was ready to put new manifolds on.

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99 4.0L, 4x4, 5-speed, standard cab, "muffler delete", 33x10.5x15 BFG All-Terrains, Alpine head unit, Rockford Fosgate 10" sub, 1,200 watt Sony Xplod Amp, 200 watt police issue PA/siren, 11000 lumen (anti-tailgater/anti-highbeamer) rear-facing light bar.
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